0. Review of College Algebra

Factor each polynomial completely. See Example 6. t⁴ - 1

Factor each polynomial completely. See Example 6. 6ar + 12br - 5as - 10bs

Give (a) the additive inverse and (b) the absolute value of each number. 6

Give (a) the additive inverse and (b) the absolute value of each number. -6⁄5

Give (a) the additive inverse and (b) the absolute value of each number. 0.16

Evaluate each expression. See Example 5. |-8|

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

Evaluate each expression. See Example 5. -|5|

Evaluate each expression. See Example 5. -|4.5|

CONCEPT PREVIEW Fill in the blank(s) to correctly complete each sentence. The numerical coefficient in the term -7yz² is ___________.

CONCEPT PREVIEW Evaluate each expression. 10³

CONCEPT PREVIEW Evaluate each expression. 2 • 5 - 10 ÷ 2

CONCEPT PREVIEW Evaluate each expression. 3a - 2b, for a = -2 and b = -1

CONCEPT PREVIEW Rewrite the expression -7(x - 4y) using the distributive property.

Find each sum or difference. See Example 1. -6 + (-13)