### Home > CCA > Chapter 11 > Lesson 11.2.2 > Problem11-57

11-57.

Solve each of the following equations or systems. Homework Help ✎

1. $x^2−1=15$

How many solutions should you be looking for?

$x=\pm4$

1. $y=3x−2$
$y=4x+3$

Use the Equal Values method.
Make sure to solve for both $x$ and $y$.

1. $x^2−2x−8=0$

Factor and use the Zero Product Property.

1. $2x^2=−x+7$

Start by setting the equation equal to $0$.