AnswersCommon Core Math 7 - MA3107 CRPercent Increase and Decrease

Expanding Expressions Answers

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When 4() is simplified, what is the resulting expression?

Question illustration
A
mc009-2.jpg
Option A
B
mc009-3.jpg
Option B
C
mc009-4.jpg
Option C
D
mc009-5.jpg
Option D
3

Which expression is equivalent to ?

Question illustration
A
mc020-2.jpg
Option A
B
mc020-3.jpg
Option B
C
mc020-4.jpg
Option C
D
mc020-5.jpg
Option D
4

Which pair shows equivalent expressions?

A
mc019-1.jpg
Option A
B
mc019-2.jpg
Option B
C
mc019-3.jpg
Option C
D
mc019-4.jpg
Option D
5

The expression is equivalent to

Question illustration
A
3(x)+9.
B
3(x)+3(9).
C
3(x) – 9.
D
3(x) – 3(9).
6

Janelle expanded the expression as shown below. What errors did she make? Select three options.

Question illustration
A
The first term should be positive.
B
The second term should be positive.
C
She did not distribute the properly.
Option C
D
She added to instead of multiplying by .
Option D
E
She did not simplify the expression completely.
7

Which expression is equivalent to ?

Question illustration
A
mc014-2.jpg
Option A
B
mc014-3.jpg
Option B
C
mc014-4.jpg
Option C
D
mc014-5.jpg
Option D
8

Which expression is equivalent to ?

Question illustration
A
mc013-2.jpg
Option A
B
mc013-3.jpg
Option B
C
mc013-4.jpg
Option C
D
mc013-5.jpg
Option D
9

Which pair shows equivalent expressions?

A
mc017-1.jpg
Option A
B
mc017-2.jpg
Option B
C
mc017-3.jpg
Option C
D
mc017-4.jpg
Option D
10

Which expressions are equivalent to ? Select two options.

Question illustration
A
mr025-2.jpg
Option A
B
mr025-3.jpg
Option B
C
mr025-4.jpg
Option C
D
mr025-5.jpg
Option D
E
mr025-6.jpg
Option E

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