CPM Homework Help : INT2 Problem 11-11

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

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

Hint 1:

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

Hint 2:

Solve the quadratic.

Partial Answer:

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