6th Grade- Module 8 Quiz

Name the property shown: 4(a x 6) = 4(6 x a)

• commutative

• distributive

• associative

• identity

Find the perimeter of a rectangle whose length is (4x + 1) and whose width is (2x +5).

• 6x + 6

• 12x + 12

• 8x + 2

• 8x + 5

Add: (-4x + 7) + (5x - 2)

• x + 5

• -x - 5

• -9x + 9

• 9x + 5

Subtract: (8x + 5) - (-2x + 1)

• 6x + 6

• 10x + 6

• 10x + 4

• 6 x - 4

The area of a square room is (20x + 40) square units. What are the dimensions of the room?

• 20x + 25

• 4x + 5

• 5x + 10

• 4x + 25

Add: (-3x + 8) + (x - 9)

• -2x - 1

• -3x - 1

• 4x - 17

• -4x + 17

Which expression is equivalent to -3(7x + 5)?

• -21x + 5

• -21x - 15

• -21x + 15

• 4x + 2

• subtract -3 and 6

• divide 16 and 4

• add -6 and 16

• the order doesn't matter

Simplify: 4x + 7 -x + 5

• 16

• 4x + 12

• 11x + 4

• 3x + 12

Name the property shown: -4(7x - 1) = -28x + 4

• Commutative

• Distributive

• Associative

• Identity