Problems Involving Algebraic Expressions

Evaluate the expression using the values
 m = 7, r = 8, and t = 2.
4m + t

• 30
• 28
• 26
• 14

Evaluate the expression using the values m = 7, r = 8, and t = 2.
r/t

• 8
• 6
• 4
• 7

Evaluate the expression using the values m = 7, r = 8, and t = 2.
3m – 5t

• 21
• 11
• 10
• 22

Which is NOT a word phrase for the algebraic expression.
n + 16

• a number increased by 16
• 16 increased by a number
• the sum of a number and 16
• 16 more than a number

Which is NOT a word phrase for the algebraic expression.
24n

• 24 times a number
• 24 times n
• the product of 24 and a number
• the sum of 24 and a number

Write an algebraic expression for the word phrase.
12 more than (m) machines

• 12-m
• m-12
• 12+m
• m+12

Write an algebraic expression for the word phrase.
six times the daily amount of fiber (f) in your diet

• 6f
• 6+f
• 6/f
• 6-f

A cell phone company charges $40 per month(m) plus a $35 activation fee. How much would the service cost for the first 2 months(m)?
Hint:
40m+35

• $110
• $75
• $115
• $80

Combine the like terms. Simplify.
2x + x - 4y

• 2x+x-4y
• 4x+4y
• 3x-4y
• 3x+4y

Combine like terms. Simplify. 
11g-9g+8g

• 10g
• 9g
• 2g
• 11g