G9 Midterm Revision

Write an algebraic expression for the phrase: "the sum of n and 3"

Write a word phrase for −𝟓 − 𝟒𝒏.

• Negative 5 minus 4 plus n

• Negative 5 minus 4 times n

• 4 times a number n minus 5

• 5 minus 4 times a number n

The table shows how the height of a stack of DVDs depends on the number of DVDs. What is a rule for the height?

What property is illustrated by the following: 𝟖 + 𝟖. 𝟑 = 𝟖. 𝟑 + 𝟖

• Inverse Property of Multiplication

• Inverse Property of Addition

• Commutative Property of Addition

• Associative Property of Addition

Which property of equality should be used to solve the equation: 𝒙 − 𝟔 = 𝟒8

• Addition

• Subtraction

• Multiplication

• Division

Simplify the expression: (𝟏𝟎 ÷ 𝟓) × 3

• 1.5

• 5

• 6

• 15

𝟒(𝟐𝟎 + 𝟏𝟐) ÷ (𝟒 − 𝟑)

• 𝟐𝟗

• 𝟖𝟎

• 𝟏𝟐𝟖

• 𝟗𝟐

Evaluate (𝒂𝒃)² for 𝒂 = 𝟒 and 𝒃 = 𝟑.

• 36

• 24

• 81

• 144

Evaluate the expression: (𝒂 + 𝟐𝒃) × 𝒄 for 𝒂 = −𝟑, 𝒃 = −𝟐, and 𝒄 = 𝟗.

• -63

• 11

• 30

• 45

• 9

• 9h