5.1- 5.5 Expression Review

Simplify    5(2 - 7n)

•  52 - 57n
• 10 - 7n
• 10 - 35n
• 10 + 35n

A letter that represents a number is called a _____.

• variable
• coefficient
• constant
• term

A number with no variable attached is called a  _____.

• coefficient
• constant
• variable
• term

The number before a variable is the _____.

• term
• constant
• coefficient
• variable

Evaluate the expression.        Let    a = 4
5a + 7a - 8

• 48
• 28
• 40
• 35

(3 + 4)² - 32 

• 7
• 112
• 17
• -7

What would you solve first?
3 x 48 ÷ (15 - 3)

• 3 x 48
• 48 / 15
• 15 - 3 
• 48-12

How do you write this in exponent form?
4 * 4 * 4 * 4 * 4 * 4 * 4 * 4

• 4⁷
• 65,536
• 4⁸
• 7⁴

a number cubed plus 8

• n ∙ 4 + 8
• n² + 8
• n³ + 8
• n + n + n + 8

Evaluate m² if      m = 5

• 10
• 25