### Home > A2C > Chapter 8 > Lesson 8.1.2 > Problem 8-28

8-28.

The first equation is a circle with radius 5 and center (0, 0).

The second equation is a parabola with vertex (0, 3).

What happens when you substitute for *y* in the first equation?

Try solving for *x*^{2} in the second equation and substituting that into the first equation.