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Properties of Operations in Numerical Expressions
Worksheet
Grade Level
Grade 7
7.57 Properties of Operations in Numerical Expressions
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A student rewrote (−1)(x − y) as −x + y. Which option shows the equivalent expression AND correctly names the property used?
A
−x + y; Property: Distributive Property
B
x − y; Property: Multiplicative Identity Property
C
−(x + y); Property: Distributive Property
D
x + (−y); Property: Commutative Property of Addition
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