### Home > A2C > Chapter 12 > Lesson 12.2.1 > Problem12-99

12-99.

Solve the system of equations below.

$x^{2} + y^{2} = 25 \\y = x^{2} − 13$

Substitue for $x^{2}$ in the first equation.

Solve for $y$ as a quadratic, and then substitute for $y$ to solve for $x$.