0. Review of College Algebra

Find each square root. See Example 1. -√256

Rationalize each denominator. See Example 8. 6 —— √5

Simplify each complex fraction. See Examples 5 and 6. (5/8 + 2/3) ÷ (7/1 − 1/4)

Add or subtract, as indicated. See Example 4. (1/a)+(b/a²)

Add or subtract, as indicated. See Example 6. 2√50 - 5√72

Simplify each complex fraction. See Examples 5 and 6. (1 + 1/x) / (1 − 1/x)

Rationalize each denominator. See Example 8. 4 —— √6

Multiply. See Example 7. (√2 - √3) (√2 + √3)

Find the domain of each rational expression. See Example 1. (x² - 1) / (x + 1)

Simplify each radical. See Example 5. √75

Simplify each radical. See Example 5. √24

Multiply or divide, as indicated. See Example 3. (15p³ / 9p²) • (12p / 10p³)

Find the domain of each rational expression. See Example 1. (x³ - 1) / (x - 1)

Write each rational expression in lowest terms. See Example 2. (m² - 4m + 4) / (m² + m - 6)

Find each root. See Example 3. ∛0.001