### Home > A2C > Chapter 3 > Lesson 3.1.1 > Problem3-17

3-17.

Calculate the x-intercepts for the graph of each function below.

1. $y=(x−2)(x+1)$

What value of y gives the x-intercept?

Use the Zero Product Property.

1. $y=2x^2+16x+30$

Factor and then use the Zero Product Property.