# Rational Expressions Exercises

### Example 1

Determine if the expression is rational. If not, explain why.

### Example 2

Determine if the expression is rational. If not, explain why.

### Example 3

Determine if the expression is rational. If not, explain why.

### Example 4

Determine if the expression is rational. If not, explain why.

### Example 5

Determine if the expression *x* is rational. If not, explain why.