Expressions Review

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

• 30
• 28
• 26
• 14

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

• 12-m
• m-12
• 12+m
• m+12

A ______ is a letter which represents an unknown number (quantity). 

• expression
• variable
• term
• like term

A _____ contains at least one variable, constant, and operation. 

• term
• algebraic expression
• like term
• quadratic equation

How many terms in the following expression:
5x + 3y - 15 + x

• 1
• 2
• 3
• 4

• I don't know 😓

Evaluate the expression.

28/m when m = 4

• 112

• 4

• 7

• 28

Evaluate the expression.

0.2t when t = 1.6

• 0.32

• 32

• 3.2

• 0.032

Evaluate each expression if x = 14 and y = 6

(x + y) ÷ 2 = _______

• 10

• 20

• 22

• 40

Evaluate when a = 15:
2(a - 5) + 2

• 22
• 27
• 14
• 7