unit 2: proofs

What is always the 1st statement in reason column of a proof?

• Prove
• Given
• Reason
• Statement

Tags

CCSS.8.G.A.5

Identify the property used here:
39=39

• Reflexive
• Symmetric
• Transitive
• Substitution

Tags

CCSS.3.OA.B.5

What is reason 2?

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

Tags

CCSS.HSA.REI.A.1

Step 2 is what

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

Tags

CCSS.HSA.REI.A.1

What is step 6

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

Tags

CCSS.HSA.REI.A.1

What is reason 3?

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

Tags

CCSS.HSA.REI.A.1

What is reason 5?

• Transitive Property
• Reflexive Property
• Symmetric Property
• Prove

Tags

CCSS.HSG.SRT.B.5

Which property says given 3x² + 1, if x = 5, then 3(5)² + 1?

• Substitution Property
• Reflexive Property
• Symmetric Property
• Transitive Property

Tags

CCSS.7.EE.A.1

Given: 2( x + 1 ) = -4

What is the reason for the next step?

• addition property

• combine like terms

• simplifying

• distributive property

Tags

CCSS.HSA.REI.A.1

If 3x + y = 14 and y = 9, then 3x + 9 = 14.

• Reflexive Property of Equality
• Symmetric Property of Equality
• Transitive Property of Equality
• Substitution Property of Equality

Tags

CCSS.HSA.REI.A.1