0. Review of College Algebra

Find each product or quotient where possible. See Example 2. -7.2/0.8

Rewrite each expression using the distributive property and simplify, if possible. See Example 7. 7r - 9r

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

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

Solve each linear equation. See Examples 1–3. -4 (2x - 6) + 8x = 5x + 24 + x

CONCEPT PREVIEW Fill in the blank(s) to correctly complete each sentence. The opposite, or negative, of a number is its _______.

Find each product or quotient where possible. See Example 2. 0/(-8)

Evaluate each expression. See Example 5. 12 + 3 • 4

Determine whether each equation is an identity, a conditional equation, or a contradiction. Give the solution set. See Example 4. 4(2x + 7) = 2x + 22 + 3(2x + 2)

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

Find each sum or difference. See Example 1. 13 + (-4)

Simplify each expression. See Example 1. 9³ • 9⁵

Find each product. See Example 5. (2m + 3) (2m - 3)

Simplify each expression. Assume all variables represent nonzero real numbers. See Examples 2 and 3. (-4m²/tp²)⁴

Find each product. See Example 5. (5r - 3t²)²