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You can find the y-intercept for a linear equation in any form by setting x to zero and solving for y. Similarly, you can find the x-intercept by setting y to zero and solving for x.
In the above general equation, the x-intercept is -b/m.
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FranIt depends on whether you are doing the question graphically or algebraically.
Working from a graph:
The x-intercepts are the points where the graph cuts the x-axis. The y-coordinates of these points are 0.
The y-intercepts are the points where the graph cuts the y-axis. The x-coordinates of these points are 0. A function cannot do this since then it would be a one-to-many mapping which is NOT a function. However, some equations (eg a circle) may give rise to more than one y-intercepts.
Working from an equation:
Let y = 0 and find the values of x that satisfy the equation. These are the x-intercepts.
Let x = 0 and find the values of y that satisfy the equation. These are the y-intercepts.
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How do you find x and y intercepts?
if you are looking at a graph the y intercept is when the graph crosses the y axis and the x intercept is when the graph crosses the x axis. if you have a formula... plug zero in for x to find the y intercept, and plug zero in for y to find the x intercept
How do you find x-intercept?
To find the x-intercept you need to set y=0 in your equation. To find the y-intercept you need to set x=0 in your equation.
True or false given a linear equation in two variables x and y the x intercept is found by setting x equal to zero and solving for y?
False. To find the x-intercept, let y = 0 and solve for x. To find the y-intercept, let x = 0 and solve for y.
How do you find the y-intercept of a function?
The y-intercept is the value of a function f when x is equal to zero. So, substitute 0 for x into the equation and find the value of y.
How do you find the x intercept on a linear equation?
At the x-intercept on the graph of the equation, y=0. Take the equation, set 'y' equal to zero, and solve the equation for 'x'. The number you get is the x-intercept.
