Topic 3 Test Review

Evaluate the expression below. Enter your answer in the box.

(8.1 + 7.9)x – (25 ÷ 5)x

• 11x

• 16x

• 21x

• 10x

Large balloons are sold in packages of 12. Select the expressions that can represent the total number of balloons in p packages of large balloons. Choose two answers.

• 12 – p

• 12p

• p + 12

• p ÷ 12

• 12 × p

Select the expression that have a value of 40 when x = 10.8.

• 4,320 ÷ x

• 
  

  288÷x + 16

• (x² ÷ 18) + 33.52

• (1,752 ÷ x) – 162 2/9

• x÷12 + 36

The same digits are used for the expressions 3² and 2³. Select the symbol that correctly compares the expressions.

The same digits are used for the expressions 3²and 2³. Select the symbol that correctly compares the expressions.

• =

• <

• >

Eva is picking fruit at a farm. The fees are $5 for entry to the farm, $2.50 per pound of blueberries, and $2 per pound of apples she picks to take home. Let b be the number of pounds of blueberries and a be the number of pounds of apples Eva picked. Which of the following expressions could represent how much Eva pays?

• 5(2.5b + 2a)

• (2.5 + 2)(a + b) + 5

• 2.5b + 2a + 5

• 5 + 2.5a + 2b

Select the GCF for each pair of numbers.

9, 15

• 1

• 2

• 3

• 4

Select the GCF for each pair of numbers.

12, 18

• 1

• 2

• 3

• 6

Select the GCF for each pair of numbers.

15, 27

• 1

• 2

• 3

• 4

Select the GCF for each pair of numbers.

30, 54

• 1

• 2

• 3

• 6

Mrs. Thompson wants to buy centerpieces to use at a party. It will cost $49 to have the centerpieces delivered plus $0.89 per centerpiece.

Part A
Let c be the number of centerpieces that Mrs. Thompson purchases. Choose the expression that shows the amount of money she will pay altogether for each centerpiece.

• • 49c + 0.89

• c(0.89 + 49)

• c(0.89 + 49)

• 49 + 0.89c