Algebraic Expressions Practice Test

3(2x + z) when x=8 and z=2

• 12

• 30

• 54

• 60

Evaluate when a = 15:
2(a - 5) + 2

• 22

• 27

• 14

• 7

Evaluate x - 20 when x = 3

• 17

• -17

• 23

• -23

Subtract a number from 10

• n-10

• 10+n

• 10/n

• 10-n

the quotient of a number and twelve

• x + 12

• x - 12

• 12/x

• x/12

Which expression has the same value as -4(-5 + x)?

• -4(-5) + (-4)x

• -4(5) - 4x

• (-4 - 5) (-4 + (-x))

• (4 - 5) (-4 - x)

Which expression has a coefficient of 0.5?

• -0.5x + 4

• 0.25x + 4

• 0.5x + 4

• 0.5 + 4

Which of the following expressions correctly combines like terms?

• 4x + 7 + 2x - 4y = 6x + 3y

• 2x + 7y + 2x - 4y = 4x + 3y

• 2x + 7y + 2x - 4 = 4x + 3y

• 4x + 7y + 2x + 4y = 6x + 3y

Mateo and Haley both collect coins. Mateo has 8 more coins in her collection than Haley. Which expression represents the total number of coins in both collections?

• 2c + 8

• c + 8

• 2c(8)

• 8 - 2c

Bradley rents a fishing boat for the day. The total cost for gasoline is represented by the expression 3.25m + 15. What is the constant in the expression?

• 3.25

• 15

• m

• 3.25m