AnswersSS-Math 7Adding and Subtracting Expressions

Adding and Subtracting Expressions Answers

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1
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Which can be used to expand the expression below?

Question illustration
A
associative property
B
commutative property
C
distributive property
D
subtracting
2
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Check all that you included in your response.

A
The expansion is not correct.
B
The –6 did not get distributed properly.
C
The second term should be positive.
5

Which expression is equivalent to ?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
6

Which expressions are equivalent to ? Check all that apply.

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
–6x + 1
E
–6x + 9
F
–6x – 9
8

Which expression is equivalent to –2(5x – 0.75)?

A
10x – 0.75
B
10x + 0.75
C
–10x – 1.5
D
–10x + 1.5
11

Check all that you included in your response.

A
Algebraic expressions have terms.
B
Terms must be like to add and subtract.
C
You can’t always follow the order of operations with algebraic expressions.
12

Check all that you included in your response.

A
Use the distributive property to expand the first expression.
B
While the first terms are the same, the constant is positive in one expression and negative in the other.
C
If you evaluate the expressions for a value of x, they are not equal.

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Adding and Subtracting Expressions Answers…