### Home > GC > Chapter 12 > Lesson 12.1.2 > Problem12-17

12-17.

On graph paper, graph the equations below.

1. $x^{2} + y^{2} = 4.5^{2}$

The general equation for a circle with a center at the origin is $x^2+y^2=r^2$.

1. $x^{2} + y^{2} = 75$

$\sqrt{ 75 } \, \approx \, 8.66$