0. Review of College Algebra

Simplify each expression. See Example 1. (5x²y) (-3x³y⁴)

Simplify each expression. See Example 1. (½ mn) (8m²n²)

Simplify each expression. Assume all variables represent nonzero real numbers. See Examples 2 and 3. (2²)⁵

Match each expression in Column I with its equivalent in Column II. See Example 3. I II. a. 6° A. 0 b. -6° B. 1 c. (-6)° C. -1 d. -(-6)° D. 6 E. -6

Add or subtract, as indicated. See Example 4. (5x² - 4x + 7) + (-4x² + 3x - 5)

Add or subtract, as indicated. See Example 4. 2(12y² - 8y + 6) - 4(3y² - 4y +2)

Add or subtract, as indicated. See Example 4. (6m⁴ - 3m² + m) - (2m³ + 5m² + 4m) + (m² - m)

Find each product. See Example 5. 4x² (3x³ + 2x² - 5x +1)

Find each product. See Example 5. (4r - 1) (7r + 2)

Find each product. See Example 5. (3x + 1) (2x - 7)