If you use the slope intercept form y mx b and know the slope you can plug in any point of the line which will be a xy value to find b. Where the line your two points make crosses the y axis.
Say your two points are 1 2 and 3 4.
How to find y intercept with two points. Simply and you ll get. To find the y intercept using the equation of the line plug in 0 for the x variable and solve for y. The following line passes through the point 5 comma 8 and the equation of the line is y is equal to 17 13x plus b.
How do you find the y intercept when given two points. How do you find the y intercept with two points and slope. Let the two points be a b and c d.
How to find the y intercept with two points. Plug the given values into the formula for a slope. Set x to 0 and solve for y in that equation to determine the y intercept.
Since the y intercept is when x0 therefore. The slope of a line passing through two points p x 1 y 1 and q x 2 y 2 is given by m y 2 y 1 x 2 x 1. To find the y intercept of y 2 x 1 displaystyle y2x1 substitute x 0 and solve the quadratic equation.
This means you may end up with 0 1 or 2 answers. Y d b c a x a b. To find the y intercept of y 2 x 1 displaystyle y 2 x 1 substitute x 0 and solve the quadratic equation.
You can solve for y with the same substitution but since the quadratic describes a curve it could intercept the y axis at 0 1 or 2 points. So we can say so when x is equal to 5 y is equal to 8. We have that x 1 1 y 1 5 x 2 3 y 2 7.
What is the value of the y intercept b. M 7 5 3 1 1 2. How do you get the y intercept.
How to find slope intercept form from two points step by step. If the equation is written in the slope intercept form plug in the slope and the x and y coordinates for a point on the line to solve for y. Then the equation of the line passing through them can be written as.
Y a d b c a c. Now the y intercept is b y 1 m x 1 or b y 2 m x 2 the result is the same. So we know that this point this x and y value must satisfy this equation so we know that when x is equal to 5 y is equal to 8.
You find this by taking one of your coordinates 3 4 and you substitute it into the equation y. Find the equation of a line given that you know two points it passes through. The y intercept of an equation is a point where the graph of the equation intersects the y axis.
The equation of a line is typically written as y mx b where m is the slope and b is the y intercept. To find the y intercept using the equation of the line plug in 0 for the x variable and solve for y. There are a few different ways to find the y intercept with 2 points.
Here is how you can find the y intercept with the equation from 2 points using the slope intercept form.