Expressions Review

The number before a variable is the _____.

• term
• constant
• coefficient
• variable

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

What is the coefficient in this expression?
3x+4-2

• x
• 4
• 3x
• 3

Simplify the Expression:

3a + 7 - 2a

• 8a

• 12a

• a + 7

• 5a + 7

Simplify the Expression:

3m - 15 + 2m - 4

• 5m - 19

• m + 19

• 5m - 15

• 24m

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

2(c - 8)

• 2c - 16
• 2c + 16
• 2c - 8
• c - 16

What is the simplified version of this expression?  $7\left(5x-1\right)$  

•  $35x+7$  

•  $35x-1$  

•  $35x-7$  

•  $-35x-7$  

Add these expressions
(3x+15) + (4x+13)

• 7x+ 28
• 35x
• x+2
• 7x - 2