### Home > CCA2 > Chapter 2 > Lesson 2.2.4 > Problem 2-148

2-148.

Consider the equation

What can you tell about the graph just by looking at the equation?

Notice that both

andare squared.This is a circle with center

and radius . Sketch a graph of

.

2-148.

Consider the equation

What can you tell about the graph just by looking at the equation?

Notice that both

andare squared.This is a circle with center

and radius . Sketch a graph of

.