Question

How do you find any x-intercepts?

Answer 1

To find the x-intercepts of a function, set y, or f(x), to 0 and solve for x.

For example:

`y=2x-6`

When
`y=0`, the equation becomes:

`0=2x-6`

and this can easily be solved for x.

`6=2x`

`3=x`

`x=3`

Therefore, for this example, the line's x-intercept is at (0, 3).

Note that the y-coordinate is 0, since an intercept occurs when the other axis value is at 0.