0. Review of College Algebra

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

Write each rational expression in lowest terms. See Example 2. (8x² + 16x) / 4x²

Write each rational expression in lowest terms. See Example 2. 3 (3 - t) / ((t + 5) (t - 3))

Write each rational expression in lowest terms. See Example 2. (8k + 16) / (9k + 18)

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

Write each rational expression in lowest terms. See Example 2. (8m² + 6m - 9) / (16m² - 9)

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

Multiply or divide, as indicated. See Example 3. ((2k + 8) / 6) ÷ ((3k + 12) / 2)

Multiply or divide, as indicated. See Example 3. ((4a + 12) / (2a - 10)) ÷ ((a² - 9) / (a² - a - 20))

Multiply or divide, as indicated. See Example 3. ((m² + 3m + 2) / (m² + 5m + 4)) ÷ ((m² + 5m + 6) / (m² + 10m + 24))

Add or subtract, as indicated. See Example 4. (3/2k) + (5/3k)

Add or subtract, as indicated. See Example 4. (1/6m) + (2/5m) + (4/m)

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

Add or subtract, as indicated. See Example 4. (5/12x²y) - (11/6xy)