The steps that Lauren used to simplify an expression are shown.
Given expression: 1 (x + 2) • 4
4
Step 1: 1 •
4 • (x + 2).
4 1
Step 2: 1 • (x + 2)
Step 3: x + 2
Which statements are valid?
(Choose 2)
Responses
A The identity property for multiplication was used to move from
Step 1 to Step 2.The identity property for multiplication was used to move from Step 1 to Step 2.
B The inverse property for multiplication was used to move from
Step 1 to Step 2.The inverse property for multiplication was used to move from Step 1 to Step 2.
C The identity property for addition was used to move from
Step 2 to Step 3.The identity property for addition was used to move from Step 2 to Step 3.
D The inverse property for multiplication was used to move from
Step 2 to Step 3.The inverse property for multiplication was used to move from Step 2 to Step 3.
E The identity property for multiplication was used to move from
Step 2 to Step 3.The identity property for multiplication was used to move from Step 2 to Step 3.
A. The identity property for multiplication was used to move from Step 1 to Step 2.
C. The identity property for addition was used to move from Step 2 to Step 3.