PreAlgebra midterm 24

A _____________ is a symbol, usually a letter that stands for a number. 

• coefficient
• algebraic expression
• variable
• term

Tags

CCSS.6.EE.A.2B

Simplify the expression:
4(x - 3) + 12

• 4x - 12
• 4x 
• 4x - 3

Tags

CCSS.6.EE.A.3

Simplify 5(2 - 7n)

• 52 - 57n

• 10 - 7n

• 10 - 35n

• 10 + 35n

Tags

CCSS.6.EE.A.3

Simplify using PEMDAS

6+(4²-1)

• 13

• 21

• 25

• 9

What is the algebraic expression for                  "the sum of n and 9"?

• n - 9
• n + 9
• n/9
• 9n

Tags

CCSS.6.EE.A.2A

What is the operation of the following expression?   x/5

• multiplication 
• addition 
• subtraction 
• division 

Tags

CCSS.6.EE.A.2A

What does 4⁵ mean?

• 4x4x4x4x4
• 4x5
• 5x5x5x5

Tags

CCSS.6.EE.A.1

Simplify

-5 - (- 3)

• -8
• 8
• -2
• 15

Simplify

-2 + (-8)

• -6
• 6
• -10
• 10

Simplify

(-4)(-5)

• -9
• -20
• 9
• 20