### Home > A2C > Chapter 4 > Lesson 4.2.4 > Problem 4-121

4-121.

For each equation below, find the - and

*-intercepts and the locator point*

*y*-intercept:You will need to factor. There is only one

*x*-intercept.*x*-intercept:Since there is only one

*x*-intercept, the vertex must be at the*x*-intercept. To find the equation in graphing form, use the equation.*y*-intercept:*x*-intercept:

vertex:

Start by finding the

*x*- and*y*-intercepts.To find the

*x*-coordinate of the vertex, average the*x*-intercepts.To find the

*y*-coordinate of the vertex, substitute the*x*-coordinate of the vertex into the given equation and solve for*y*.Now write the equation in graphing form.