In equations #5 and #6, both x and y are on the same side of the equation. These two equations are of the form [latex]Ax+By=C[/latex] . We substituted [latex]y=0[/latex] and [latex]x=0[/latex] to find the x-and y-intercepts, and then found a third point by choosing a value for x or y.How the equation of a line relates to the graph of its y-intercept. The Y-Intercept of a line is the point where a line 's graph intersects (crosses) the Y-axis. A y-intercept of 3 means that a line's graph intersects the Y-axis at the point (0, 3). A y-intercept of -4 means that the graph of a line crosses the Y-axis at the point (0, -4).Well, the situation in which the tub has drained completely, that means the there's no water left in the tub. So that means that our y-value, our water value is down at zero. And that happens on the graph right over there. And this point where the graph intersects the x-axis, that's known as the x-intercept. And in this context, it says, …Because \(b=11\), the \(y\)-intercept is 11. 2. Find the \(y\)-intercept of a linear function using two points from a table or graph. Using a table or a graph, identify two points shown. First, record the coordinates (\(x,y\)) for each point. Using this information, find the rise and run to identify the slope. Calculate the rise by …Using two points on the same line, find the slope and the y-intercept. Then write the equation of the line in slope intercerpt form. Also, you may be asked to ...The slope–intercept form of an equation of a line with slope mm and y -intercept, (0, b) is, y = mx + b. Sometimes the slope–intercept form is called the “ y -form.”. Exercise 6.6.1. Use the graph to find the slope and y -intercept of the line, y = 2x + 1. Compare these values to the equation y = mx + b. Answer.So if we simplify this a little bit, we get 8 is equal to-- let's see, 5 times 17 is 50, plus 35 is 85-- is 85/13 plus b. Then to solve for b, we just subtract 85/13 from both sides. So we have 8 minus 85/13. 85/13 Is equal to b. And now we just have to subtract these two numbers.You've probably already seen the basic method for graphing straight lines; namely, make a T-chart, plot some points, put your ruler against them, and draw the line. But the "nice" form of a straight line's equation (being the slope-intercept form, y = mx + b) can make graphing even simpler and faster. Given two points (x1, y1) and (x2, y2), the ...A straight line by itself doesn't have a vertex. The easiest way to find the x intercept is to figure out what value x will have when y = 0. So if you have an equation of a line: 2y + 4x = 28. you substitue "0" in for your y and solve: 2 (0) + 4x = 28. 4x = 28. x = 7. The x intercept is (7,0) 2 comments.The slope–intercept form of an equation of a line with slope m and y -intercept, (0, b) is y = mx + b. Let’s practice finding the values of the slope and y -intercept from the equation of a line. Exercise 3.3.13. Identify the slope and y -intercept of the line from the equation: ⓐ y = −47x − 2 ⓑ x + 3y = 9. Answer.The y-intercept is the y-coordinate when x=0, and the x-intercept is the x-coordinate when y=0. The y-intercept is not in the table. Since the table represents a line, there's a constant rate of change of y with respect to x. So we can find that pattern and fill in skipped values from the table to find the y-intercept. Created …Aug 17, 2019 ... How to Find the Equation of a Line Given two Points | Slope Intercept Form and Point Slope Form · Comments3.The x-intercept is the point at which a graph crosses the x-axis. The y-intercept is the point at which the graph crosses the y-axis. To find the x-intercept ...The slope-intercept formula of a line is written as y = m x+b, where m is the slope and b is the y-intercept (the point on the y-axis where the line crosses it). Plug the number you found for your slope in place of m. In our example, the formula would read y = 1x+b or y = x+b when you replace the slope value. 3.The formula for finding slope from two points (x₁, y₁) and (x₂, y₂) on a line is m = (y₂ - y₁) / (x₂ - x₁). Here, m = slope of the line. x₁ = the x-coordinate of the first point. y₁ = the y-coordinate of the first point. x₂ = the x-coordinate of the second point. y₂ = the x-coordinate of the second point. We know that we ...Sep 9, 2011 ... This video provides an example of how to determine the equation of a line in slope-intercept form given two points on the line.To find the y -intercept, we need to "zoom in" on the table to find where x = 0 . The point ( 0, − 10.5) is our y -intercept. Want to learn more about finding intercepts from tables? Check out …AboutTranscript. Learn how to write an equation in slope-intercept form (y=mx+b) for the line with a slope of -3/4 that goes through the point (0,8). We identify the slope (m) and y-intercept (b) to create our equation y = (-3/4)*x + 8. Created by Sal Khan and Monterey Institute for Technology and Education.b = the y-intercept at the point (0, b) So, in your equation, your y-intercept = (0, -3). Start by graphing that point. Then use the slope to find more points. Your slope = 1/2. This means from the point (0, -3), go up 1 unit and right 2 units to find the next point. You can repeat this as many times as you want to find points on the line.The parts of a polynomial are graphed on an x y coordinate plane. The first end curves up from left to right from the third quadrant. The other end curves up from left to right from the first quadrant. A point is on the x-axis at (negative two, zero) and at (two over three, zero). A part of the polynomial is graphed curving up to touch ...Example: Find the Slope. Say you know two points on a line and their coordinates are (2, 5) and (9, 19). Find slope by finding the difference in the y points, and divide that by the difference in the x points. ... How to Find the y-Intercept. The y-intercept of a line is the value of y when x=0. It is the point …This video explains how to find the x and y intercepts of a line, an equation, and a quadratic function.Access Full-Length Premium Videos: htt...Here are some linear equations, which represent lines. We show how to find the y-intercept from the linear equation. The y-intercept of y = 2x + 1 is 1. Look at the constant term (the one that does not contain the variables x or y ). This is the y-intercept. The y-intercept of y = −3x + 3 is 3. The y-intercept of y = x − 2 is −2.Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more. ... Plug in x = 0 to find y intercept ... Two Point Form. example. Parabolas: Standard Form. example. Parabolas: Vertex Form.Jun 25, 2023 ... 5:04. Go to channel · Find the equation of a line through two points using slope intercept form. Brian McLogan•910K views · 1:43. Go to channel ...Given two points on a line, we can write an equation for that line by finding the slope between those points, then solving for the y-intercept in the slope-intercept equation y=mx+b. In this example, we …We can rewrite an equation in point-slope form to be in slope-intercept form y=mx+b, to highlight the same line's slope and y-intercept. Questions. Tips & Thanks. Want to join the …The y -axis corresponds to the vertical line x = 0; the x -axis corresponds to the horizontal line y = 0. a y -intercept is a point on the graph where x is zero. a y -intercept is a solution to the equation when the x -value has been set to zero. This understanding of intercepts as solutions to equations allows us to establish the … The equation must be of the form a(x − h2)(x − h) a ( x − h 2) ( x − h) with a ≠ 0 a ≠ 0. Using the point (0, 1) ( 0, 1) we get that. so a = 2/h2 a = 2 / h 2 (assuming that h > 0 h > 0 ). You are close. The quadratic is of the shape y = A(x − h/2)(x − h) y = A ( x − h / 2) ( x − h), where A A is a constant. To find the y -intercept, we need to "zoom in" on the table to find where x = 0 . The point ( 0, − 10.5) is our y -intercept. Want to learn more about finding intercepts from tables? Check out …Example: Find the intercepts of x 2 − 5x + y 2 + 3y = 0. x intercept: set y=0. x 2 − 5x + 0+ 0 = 0. x(x−5) = 0. x = 0 and 5 The points are (0,0) and (5,0). y intercept: set x=0. 0 − 0 + y 2 + 3y = 0. y(y+3) = 0. y = 0 or −3 The points are (0,0) and (0,−3). So there are a total of 3 points: There are 3 steps to find the Equation of the Straight Line: 1. Find the slope of the line; 2. Put the slope and one point into the "Point-Slope Formula" 3. Simplify; Step 1: Find the Slope (or Gradient) from 2 Points. What is the slope (or gradient) of this line? We know two points: point "A" is (6,4) (at x is 6, y is 4) point "B" is (2,3) (at ... Algebra. Slope and Y-Intercept Calculator. Step 1: Enter the linear equation you want to find the slope and y-intercept for into the editor. The slope and y-intercept calculator takes a linear …The points where a line crosses the x - axis and the y - axis are called the intercepts of a line. Let’s look at the graphs of the lines in Figure 4.3.1 4.3. 1. Figure 4.3.1 4.3. 1: Examples of graphs crossing the x-negative axis. First, notice where each of these lines crosses the x negative axis.Let's use these two points to calculate the slope m of this line. A = (1,1) and B = (2,3) Subtract the y value of point A from the y-value of point B to find the change in the y value, which is 2. Then subtract the x value of point A from the x value of point B to find the change in x, which is 1. The slope is 2 divided by 1, or 2.The formula for finding slope from two points (x₁, y₁) and (x₂, y₂) on a line is m = (y₂ - y₁) / (x₂ - x₁). Here, m = slope of the line. x₁ = the x-coordinate of the first point. y₁ = the y-coordinate of the first point. x₂ = the x-coordinate of the second point. y₂ = the x-coordinate of the second point. We know that we ...In this tutorial, you're given the slope of a line and a point on that line and asked to find the y-intercept. Watch this tutorial and see how the equation for the slope-intercept form of a line is used to figure out the answer! Virtual Nerd's patent-pending tutorial system provides in-context information, hints, and links to …The y-intercept is the y-coordinate when x=0, and the x-intercept is the x-coordinate when y=0. The y-intercept is not in the table. Since the table represents a line, there's a constant rate of change of y with respect to x. So we can find that pattern and fill in skipped values from the table to find the y-intercept. Created …What About y = mx + b ? You may already be familiar with the y=mx+b form (called the slope-intercept form of the equation of a line). It is the same equation, in a different form! The "b" value (called the y-intercept) is where the line crosses the y-axis. So point (x 1, y 1) is actually (0, b) and the equation becomes:Identify the slope and the y-intercept. m = 2 and b = 1. Plot the point corresponding to the y-intercept, (0,1) The m-value, the slope, tells us that for each step to the right on the x-axis we move 2 steps upwards on the y-axis (since m = 2) And once you have your second point you can just draw a line through the two points and extend it in ...May 16, 2017 ... Slope-Intercept form is y=mx+b. We want to find the values for "m" and "b". Graph the two points that are in (x,y) form. Then find the slope&nb...First, graph the y-intercept (0, -3). Then use the slope to find more points. You have a negative slope, so you know the line slants down from left to right. When you have a negative slope to use fo graphing, you put the minus on one of the two numbers. Starting from the y-intercept, you can do either of the following …The intercept form of a line in the Cartesian plane with x-intercept a and y-intercept b is given by x/a+y/b=1. ... Line, Point-Slope Form, Slope-Intercept Form, Two-Point Form Explore with Wolfram|Alpha. More things to try: Cayley lines lines 3-state, 4-color Turing machine rule 8460623198949736; Cite this as:Sketch the tangent line going through the given point. (Remember, the tangent line runs through that point and has the same slope as the graph at that point.) Example 1: Sketch the graph of the parabola. f ( x ) = 0.5 x 2 + 3 x − 1 {\displaystyle f (x)=0.5x^ {2}+3x-1} Draw the tangent going through point (-6, -1).1. Plug the y-coordinates into the slope formula. Make sure you are not using the x-coordinates, and that you are …the x value to 0 to find the y intercept and then the y value to 0 for the x intercept. Plot the points on the graph and draw a line through them. (3) Given the Slope-Intercept Form ( y = mx + b ), plot the y intercept. (0,b) and use the slope m to find the rest of the points on the graph.Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.Well, the situation in which the tub has drained completely, that means the there's no water left in the tub. So that means that our y-value, our water value is down at zero. And that happens on the graph right over there. And this point where the graph intersects the x-axis, that's known as the x-intercept. And in this context, it says, …The parts of a polynomial are graphed on an x y coordinate plane. The first end curves up from left to right from the third quadrant. The other end curves up from left to right from the first quadrant. A point is on the x-axis at (negative two, zero) and at (two over three, zero). A part of the polynomial is graphed curving up to touch ...The Discovery and Development of Natural Products for Cancer Interception and Prevention Program (DDNP-CIP) supports the discovery and development of new natural products that are ...first calculator finds the line equation in slope-intercept form, that is, y=ax+b. It also outputs slope and intercept parameters and displays the line on a ...For each equation, you need to find at least two points. Then you draw a line that goes through the points. The easiest way to find the points is to just pick a value for one of the variables (x or y) and then solve for the other variable. For instance, take the equation y = -2x + 4 Let's say x = 0 y = -2x + 4 y = -2(0) + 4 y = 0 + 4 y = 4 How to Find the X-Intercepts and Y-Intercepts The X-Intercepts. The x-intercepts are points where the graph of a function or an equation crosses or “touches” the [latex]x[/latex]-axis of the Cartesian Plane. You may think of this as a point with [latex]y[/latex]-value of zero. Every point on the line has x coordinate 1.5, ... You can see the effect of different values of m (the slope) and b (the y intercept) at Explore the Straight Line Graph . Sep 9, 2011 ... This video provides an example of how to determine the equation of a line in slope-intercept form given two points on the line. Let me further explain using my example in 3 straightforward steps: Step 1: You take the ordered pairs (2,9) and (19,10) and take out the y2 and y1 numbers. That would be 10 and 9. Then take out the x2 and x1 numbers. That should be 19 and 2. Step 2: Next, you should minus the y2 and y1 numbers from each other. The procedure to use the y-intercept calculator is as follows: Step 1: Enter the coefficients A, B, C of the standard equation in the respective input field. Step 2: Now click the button “Solve ” to get the y-intercept. Step 3: Finally, the y-intercept of the standard equation will be …The slope of the line is (-2-3)/(5-1)=-(5)/(4), so the point-slope equation is y-3=-(5)/(4)(x-1). Solve for y to get y=-(5)/(4)x+(17)/(4). The y-intercept ...Here are some linear equations, which represent lines. We show how to find the y-intercept from the linear equation. The y-intercept of y = 2x + 1 is 1. Look at the constant term (the one that does not contain the variables x or y ). This is the y-intercept. The y-intercept of y = −3x + 3 is 3. The y-intercept of y = x − 2 is −2.In this tutorial, you're given the slope of a line and a point on that line and asked to find the y-intercept. Watch this tutorial and see how the equation for the slope-intercept form of a line is used to figure out the answer! Virtual Nerd's patent-pending tutorial system provides in-context information, hints, and links to supporting ...Last updated on February 2nd, 2022. The y-intercept of an equation is a point where the graph of the equation intersects the Y-axis. There are a few different ways to …There are two types of intercepts in a function — we have the x-intercept and y-intercept. Intercepts, in general, are the points where the graph of the function crosses the x-axis or the y-axis. But in this article, we will focus on solving for the y-intercept of a given graph, a given equation, and given any two …b = the y-intercept at the point (0, b) So, in your equation, your y-intercept = (0, -3). Start by graphing that point. Then use the slope to find more points. Your slope = 1/2. This means from the point (0, -3), go up 1 unit and right 2 units to find the next point. You can repeat this as many times as you want to find points on the line.The slope of the line is (-2-3)/(5-1)=-(5)/(4), so the point-slope equation is y-3=-(5)/(4)(x-1). Solve for y to get y=-(5)/(4)x+(17)/(4). The y-intercept ...First, graph the y-intercept (0, -3). Then use the slope to find more points. You have a negative slope, so you know the line slants down from left to right. When you have a negative slope to use fo graphing, you put the minus on one of the two numbers. Starting from the y-intercept, you can do either of the following …To find the equation of a line in slope-intercept form, we’ll need at least two pieces of information about the line, which can be a point on the line, a second point on the line, the slope of the line, or the y-intercept of the line (the y-coordinate of the point at which the graph of the line cros.We can rewrite an equation in point-slope form to be in slope-intercept form y=mx+b, to highlight the same line's slope and y-intercept. Questions. Tips & Thanks. Want to join the …Another way to do this is by plugging the slope and a point to the slope-intercept equation (y = mx + b) to solve for the y-intercept. I'll use the point (-1, 2) ... The equation must be of the form a(x − h2)(x − h) a ( x − h 2) ( x − h) with a ≠ 0 a ≠ 0. Using the point (0, 1) ( 0, 1) we get that. so a = 2/h2 a = 2 / h 2 (assuming that h > 0 h > 0 ). You are close. The quadratic is of the shape y = A(x − h/2)(x − h) y = A ( x − h / 2) ( x − h), where A A is a constant. The y-intercept is an (x,y) point with x=0, so we show it like this (try dragging the points): Mathopolis: Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10. Equation of a Straight Line Gradient (Slope) of a Straight Line Test Yourself Straight Line Graph Calculator Graph Index. To graph a linear equation in slope-intercept form, we can use the information given by that form. For example, y=2x+3 tells us that the slope of the line is 2 and the y-intercept is at (0,3). This gives us one point the line goes through, and the direction we should continue from that point to draw the entire line.In equations #5 and #6, both x and y are on the same side of the equation. These two equations are of the form [latex]Ax+By=C[/latex] . We substituted [latex]y=0[/latex] and [latex]x=0[/latex] to find the x-and y-intercepts, and then found a third point by choosing a value for x or y. Here are the steps to find the y intercept of a function y = f (x), we just substitute x = 0 in it. solve for y. represent the y-intercept as the point (0, y). Here are some examples of y intercepts. The y-intercept of y = 5x 2 + 2 is, (0, 2) because when we substitute x = 0, we get y = 5 (0) 2 + 2 = 2. Y intercept calculator helps to compute the value of the y-intercept when we are given a linear equation in two variables. The point where a graph crosses the y-axis is known as the y-intercept. ... Find the y-intercept for given equation 1.3x + 0.6y - 2.4 = 0 and verify it using the online y intercept calculator. Solution: Given equation: 1.3x ...The y-intercept is the point at which the graph crosses the y-axis. At this point, the x-coordinate is zero. To determine the x-intercept, we set y equal to zero and solve for x. Similarly, to determine the y-intercept, we set x equal to zero and solve for y. For example, lets find the intercepts of the equation [latex]y=3x - 1[/latex]. To …Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/algebra-home/alg-linear-eq-fun...Feb 19, 2024 · Determine the rise between the two points. To do this, you must compare the difference in y of the two points. Begin with the first point, the point that is the farthest left on the graph, and count up until you reach the y-coordinate of the second point. The rise can be positive or negative; that is, you can count up or down to find it. A y-intercept calculator is a calculator used to determine the point where a slope passes through the y-axis in an x-y plane. Similarly, an x-intercept calculator finds out the point where a line crosses the x-axis. The calculator utilizes the equation y = mx + c to calculate the x or y-intercept. The task of determining the intercepts manually ...Let me further explain using my example in 3 straightforward steps: Step 1: You take the ordered pairs (2,9) and (19,10) and take out the y2 and y1 numbers. That would be 10 and 9. Then take out the x2 and x1 numbers. That should be 19 and 2. Step 2: Next, you should minus the y2 and y1 numbers from each other.Katie, yes, exactly. If the equation is in standard form:ax+by=c then you just set x equal to 0 to find the y intercept and set y equal to 0 to find the x intercept. It makes sense, right. The y intercept is when the line crosses the y axis, so x will always be 0, so that is why we set x equal to 0. To find where the line crosses …Algebra. Point Slope Calculator. Step 1: Enter the point and slope that you want to find the equation for into the editor. The equation point slope calculator will find an equation in either slope intercept form or point slope form when given a point and a slope. The calculator also has the ability to provide step by step solutions. The general format of slope-intercept form equations is y=mx+b m is where you substitute the slope b is where you substitute the y-intercept So, if I had y-intercept = 7 and slope = -2, the equation would be: y=-2x+7 Slope-intercept equation given slope and y-intercept (example) Instead of being given two points, we may need to know how to find slope-intercept form with slope and the y-intercept. In this example, we will use a slope of -4 and a y-intercept of \frac{1}{5}. Remember, the slope is represented by m and the y …Use the two points to find the slope of the equation. The formula for finding the slope of a line that crosses two points is simply (Y 2 - Y 1) / (X 2 - X 1).You can think of the first set of coordinates (x, y) = (-2, 4), as representing X 1 and Y 1, and the second set of coordinates, (1, 2), as representing X 2 and Y 2.Here, …In algebra, linear equations means you're dealing with straight lines. When you're working with the xy -coordinate system, you can use the following formulas to find the slope, y -intercept, distance, and midpoint between two points. Consider the two points ( x1, y1) and ( …To find the slope, divide 4/2 to get 2. The slope of a line is represented by the variable m. In this example, m = 2. The slope m is part of the formula y = mx + b. This is called the “slope-intercept formula.”. You can use y = mx + b to calculate a value of y that corresponds to a particular value of x.
Identify the slope, m. This can be done by calculating the slope between two known points of the line using the slope formula. Find the y-intercept. This can be done by substituting the slope and the coordinates of a point (x, y) on the line in the slope-intercept formula and then solve for b. Once you've got both m and b you can …. Is carfax reliable
Find an Equation of the Line Given the Slope and y -Intercept. We can easily determine the slope and intercept of a line if the equation is written in slope-intercept form, y = mx + b. y = m x + b. Now we will do the reverse—we will start with the slope and y -intercept and use them to find the equation of the line.Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/algebra-home/alg-linear-eq-fun...Algebra. Point Slope Calculator. Step 1: Enter the point and slope that you want to find the equation for into the editor. The equation point slope calculator will find an equation in either slope intercept form or point slope form when given a point and a slope. The calculator also has the ability to provide step by step solutions.The y-intercept is the y-coordinate when x=0, and the x-intercept is the x-coordinate when y=0. The y-intercept is not in the table. Since the table represents a line, there's a constant rate of change of y with respect to x. So we can find that pattern and fill in skipped values from the table to find the y-intercept. Created …First, write out the general form of a slope-intercept equation. y = mx + b y = m x + b. Now we need to plug in values for m m and b b. This time we aren’t given m m, but we can solve for it using the slope formula. m = y2−y1 x2−x1 m = y 2 − y 1 x 2 − x 1. \(y - y_1 = m(x - x_1)\) y - 3 = 1(x + 2) y = x + 5. How do you Find the Y Intercept With Two Points and Slope Using Two Point Form? We can follow the steps given below to find y-intercept using two point form, First, find the equation of the line using the two-point form and solve it for y. Compare it with y = mx + b. Here, b is the y-intercept. A vertical intercept is a point where a line crosses the vertical axis, or y-axis, on the Cartesian coordinate plane. When evaluating a function, the vertical intercept can be foun...Find the slope intercept form of a line given two points, a function or the intercept step-by-step. slope-intercept-form-calculator. en. Related Symbolab blog posts. High School Math Solutions – Perpendicular & Parallel Lines Calculator. A vertex is a corner, where two lines meet. A straight line by itself doesn't have a vertex. The easiest way to find the x intercept is to figure out what value x will have when y = 0. So if you have an equation of a line: 2y + 4x = 28. you substitue "0" in for your y and solve: 2 (0) + 4x = 28. 4x = 28. plot the point (8, 5 8/9) which is just below of (5,6) and then draw a line through the two points. The other method you can use is to plot the y-intercept. The equation y=5/8x+8/9 is is slope y-intercept form. so the y intercept is at (0,8/9). Plot that point. The slope is 5/8, so from your y-intercept point, count right 8 and then go up 5.To find the y-intercept using two points, we first need to calculate the slope (m). Consider two points on the line, for example, (3, 5) and (6, 11). The slope is calculated using the formula: Example: For the points (3, 5) and (6, 11), the slope m is calculated as: Once the slope is determined, the next step is to find …Jan 18, 2024 · Its x-intercept lies on the intersection point of the x-axis ( y=0 y = 0) and 2x + 3y -2 = 0 2x+3y −2 = 0. So, we insert y=0 y = 0 in 2x + 3y -2 = 0 2x+ 3y−2 = 0 to obtain: \begin {align*} 2x + 3 \cdot 0 - 2 &= 0\\ 2x - 2 &=0\\ 2x &= 2\\ \therefore x_c &= 1 \end {align*} 2x + 3 ⋅ 0 − 2 2x − 2 2x ∴ xc = 0 = 0 = 2 = 1. The slope–intercept form of an equation of a line with slope mm and y -intercept, (0, b) is, y = mx + b. Sometimes the slope–intercept form is called the “ y -form.”. Exercise 6.6.1. Use the graph to find the slope and y -intercept of the line, y = 2x + 1. Compare these values to the equation y = mx + b. Answer.Y-intercept calculator. Instructions: Use this calculator to find the y-intercept of a line, showing you the process step-by-step. The first thing you need to do is to indicate the line you want to the y-intercept of. You have several options to state the line. You can provide: (1) any linear equation (ex: x + 3y = 2 + \frac {2} {3}x x +3y …Steps. Calculate the slope from 2 points. For Example, Two points are (3, 5) and (6, 11) Substitute the slope (m) in the slope-intercept form of the equation. Substitute either point into the equation. You can use either (3,5) or (6,11). Solve for b, which is the y-intercept of the line. Substitute b , into the equation..