Properties Quiz

What property explains the mathematical statement below?

Statement: If 3 = 2, then 3 −1 = 2 −1

Answer

Subtraction property of equality

Given: WY = XZ. Supply the missing reasons below

Answer

Statement	Reason
WY = XZ.	Given
WY −XY = XZ −XY.	Subtraction property of equality

Statment: If A = B and B = C, then A = C

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Transitive property of equality

Statement: A = A

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Reflexive property of equality

Statement: a =3 and b = 2a, then b = 2(3)

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Substitution Property

Statement: 2 =4 . Fill in the missing statements and reasons.

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Statement	Reason
1.2 =4	1. given
2. line J || line K	2.Corresponding angles postulate
2 =2 are supplementary angles	Same side interior angles of parallel lines cut by a transversal are supplementary.