### Home > INT2 > Chapter 12 > Lesson 12.2.1 > Problem12-72

12-72.

Solve the system of equations without using a calculator. Write your solution in exact form. What does your solution tell you about the graphs of the equations?

 $x^2 + y^2 = 9$ $y = 2$

Use substitution.

You should have two points of intersection.