IAB Review (EE)

Where did Tamara make a mistake?

• Step 1

• Step 2

• Step 3

• Step 4

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

What is the value of q so that the expression 4(5 + n) is equivalent to 4(n + q).

• 20

• 9

• 5

• 4

Which expressions are equivalent to 4x + 6x + 7 -4x -5

• 6x +2

• 6x +12

• 10x -4x +12

• 10x -4x +2

Which number makes the equations equivalent?

• 0

• 87

• 0.87

• 870

Select all expressions equivalent to 10x-20.

• 2(5x-10)

• 5(2x-20)

• 2(8x-18)

• 10(x-2)

Select the expression equivalent to (-3x + 4.2y)- (-6x + 1.4y).

• -9x + 5.6y

• 3x +2.8y

• -9x + 2.8y

• 3x + 5.6y

Select all expressions that are equivalent to 8x + (x + 4) + 2x.

• 10x + 4

• 9x + 4 + 2x

• 11x + 4

• 8x + 4 + 2x