### Home > INT2 > Chapter 11 > Lesson 11.1.1 > Problem11-11

11-11.

Solve the system of equations by graphing. Then check your solution(s) using substitution.

$x^2 + y^2 = 25$
$(x + 9)^2 + y^2 = 34$

Solve the first equation for $y^2$ and then substitute into the second equation.

One solution is $(-4, 3)$.