AnswersGrade 7 MathematicsUsing Properties to Simplify Expressions

Using Properties to Simplify Expressions — Quiz Answers

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Which expressions are equivalent?

A
1 fifth k minus 2 thirds j and 1 fifth j minus 2 thirds k
B
1 fifth k minus 2 thirds j and negative 2 thirds j plus 1 fifth k
C
1 fifth k minus 2 thirds j and negative 1 fifth k plus 2 thirds j
D
1 fifth k minus 2 thirds j and 2 thirds j minus 1 fifth k
3

Which property was used to simplify the expression? 4 times open paren b plus 2 close paren is equal to 4 b plus 8

A
commutative property
B
inverse property
C
associative property
D
distributive property
4

Which expression is equivalent to 3 m plus 1 minus m ?

A
3 m minus 1
B
2 plus m minus 1 plus m
C
3 m
D
1 plus m
5

Which expression is equivalent to 8 minus open paren 6 r plus 2 close paren ?

A
6 r plus 10
B
negative 6 r plus 10
C
2 r plus 2
D
negative 6 r plus 6
6

Which expressions are equivalent?

A
3 x minus 7 y and 3 y minus 7 x
B
3 x minus 7 y and 7 y minus 3 x
C
3 x minus 7 y and negative 7 y plus 3 x
D
3 x minus 7 y and negative 3 y plus 7 x
7

Which expression is equivalent to negative 3 times open paren 2 m minus 1 close paren minus n ?

A
6 m minus n plus 3
B
negative 6 m minus n plus 3
C
negative 6 m minus n minus 3
D
6 m minus n minus 3
9

What are the like terms in the expression? 4 m minus 9 plus 3 n plus 2

A
4 m and 3 n
B
negative 9 and 3 n
C
4 m and negative 9
D
negative 9 and 2

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Using Properties to Simplify Expressions — Quiz…