CRM 3.1 Algebraic Expressions Test Review

A bucket holding 450 mL of water has a hole in the side and is leaking. Each hour, the bucket loses 30 mL of water. Let h represent the number of hours the bucket leaks. Select the expression that represents the amount of water in the bucket.

• 450h - 30

• 450 - 30h

Select the phrase that does NOT represent

k - 8

• 8 less than k

• the sum of k and -8

• k subtracted from 8

• the difference between k and 8

What is the value of the expression -3x + 6y

when x=5 and y=-1

• -21

• 27

• -7

• 33

• -11

• 7

• 4

• -7

Which expression is equivalent to

5x + 11 (3y - x)

• 27xy

• 4x + 33y

• 33y - 6x

• 6x + 22y

If the expression 4h + 12s + 16h + 18s represents the total sales the baseball team made selling h hot dogs and s sodas, which expression is NOT equivalent to the total sales?

• 20h + 30s

• 2(2h + 8h) +

  6 (2s + 3s)

• 50hs

• 4(3s + 4h) +

  2(2h + 9s)

• -7

• -3

• 1

• 2

Which of the following represents the expression below using the fewest possible terms?

(5.9x - 1.7 - 3.76x) + (14.78 + 16.3x)

• 0.44x + 31.08

• 18.44x + 13.08

• 25.96x + 16.48

• 31.52x