0. Review of College Algebra

CONCEPT PREVIEW Evaluate each expression. 10³

Identify the property illustrated in each statement. Assume all variables represent real numbers. (t - 6) • ( 1/(t-6)) = 1, if t - 6 ≠ 0

Solve each inequality. Give the solution set using interval notation. See Example 10. -5 < 5 + 2x < 11

Evaluate each expression. See Example 5. |3⁄2|

Find each sum or difference. See Example 1. -12.31 - (-2.13)

Find each sum or difference. See Example 1. -6 - 5

Simplify each expression. See Example 8. -2⁄3 (12w) (7z)

Simplify each expression. See Example 8. 10 - (4y + 8)

Find each product or quotient where possible. See Example 2. -24 -4

Find each product or quotient where possible. See Example 2. -3⁄8 ( -24⁄9 )

Simplify each expression. See Example 1. (-3m⁴) (6m²) (-4m⁵)

Find each product. See Example 5. (q - 2)⁴

Simplify each expression. See Example 8. 10x (3)(y)

Solve each inequality. Give the solution set using interval notation. See Examples 8 and 9. 4x + 7 ———— ≤ 2x + 5 -3

Find the given distances between points P, Q, R, and S on a number line, with coordinates -4, -1, 8, and 12, respectively. See Example 3. d (Q, R)