# Chapter 8Edit

## Section 3Edit

Complete the square of the equations in this part to render them in a form of the equation of a circle.

### 13Edit

We add one to both sides so we can write the right hand side as a single power.

### 15Edit

## Section 4Edit

### 2Edit

Multiply both sides of the inequality by both numerator and denominator of both sides to get:

Then, expand and simplify: