Unit 13 Review

Identify the property of equality.
If 9=x, then x=9

• Reflexive
• Symmetric
• Transitive
• Substitution

What is Addition property of equality

• a.   If a=b, then a+c=b+c
• b.  If a=b, then a-c=b-c
• c.  If a=b, then ac=bc
• d.  If a=b, then a/c=b/c

Identify the property used here:
39=39

• Reflexive
• Symmetric
• Transitive
• Substitution

Step 2 is what

• Substitution property (simplify)
• Multiplication property of equality
• Division property of equality
• Distributive Property

What is step 4

• Substitution property (simplify)
• Addition property of equality
• Subtraction property of equality

What is step 6

• Subtraction property of equality
• Addition property of equality
• Division property of equality

What is reason 2?

• Addition Property of Equality
• Subtraction Property of Equality
• Multiplication Property of Equality
• Division Property of Equality

Which property of real numbers justifies the work shown from Step 1 to Step 2?

• Distributive Property
• Commutative Property
• Identity Property
• Associative Property

Which property justifies the work in solving this equation?

• Addition Property of Equality
• Additive Inverse Property
• Identity Property of Addition
• Subtraction Property of Equality

Which property of real numbers was used to get from Step 3 to Step 4?

• Addition Property of Equality
• Subtraction Property of Equality
• Additive Inverse Property
• Substitution Property