Mid-Module 4 Test "Algebraic Expressions"

Evaluate the expression:

8 + 3² - 12 ÷ (4 + 2)

• 12

• 15

• 23

• 19

Look at the following expression:

4 – 3u³ + u²

What is the coefficient of u²?

• 3

• 0

• 4

• 1

Find the value of the expression:

6r – 2c + r when r = 5 and c = 8

• 9

• 19

• 25

• 28

What is the value of the expression

ab - b³

when a = 6 and b = 2?

• 4

• 15

• 6

• 56

Using the distributive property (and GCF), which expression is equivalent to 24x + 18y?

• 6(4x + 3y)

• 42xy

• 6(4y + 3x)

• 6(3x + 3y)

Which expression is equivalent to:

8c + 12d + d + 2c?

• 23cd

• 10c + 13d

• 10c + 11d

• 22cd

Which expression represents the situation

“add five to the product of a number and ten?”

• 10(z + 5)

• 5 + z + 10

• 10z + 5

• 5z + 10z

Which expression represents “subtract a number n from 10, then multiply by 9 cubed?”

• 9³(n – 10)

• 9³ + 10n

• 9³– 10n

• 9³(10 – n)

Which expression represents “the sum of 4 squared and the quotient of 8 and a number b?”

• $4^2\ +\ \frac{\text{8}}{\text{b}}$

• $\left(4\ +\ 8\right)^2\ +\ b$

• $4^2\ +\ 8b$

• $\left(4\ +8\ +\ b\right)^2$

Which expression represents “the product of 8 squared and the difference of a number n and 9?”

• $8^2\cdot\left(n\ -\ 9\right)$

• $8^2\cdot\ \left(n\ +\ 9\right)$

• $8^2+9n$

• $8^2\ -\ 9n$