algebraic proofs

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

Tags

CCSS.HSA.REI.A.1

Identify the property used here:

<B=<B

• Reflexive Property

• Addition Property

• Substitution Property

• None of the above

Tags

CCSS.7.EE.A.1

Simplify the expression with the distributive property
6(x + 3)

• 6x + 3
• 6x + 18
• x + 3
• 9x

Tags

CCSS.6.EE.A.3

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

• Prove
• Given
• Reason
• Statement

Step 2 is what

• Substitution property

• Multiplication property of equality
• Division property of equality
• Distributive Property

Tags

CCSS.6.EE.A.3

What is step 4

• Substitution property

• Addition property of equality
• Subtraction property of equality
• Simplify

Tags

CCSS.HSA.REI.A.1

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

What is the reason for the statement below?
Given: m∠1 = 63
m∠1 + m∠2 = 90
Prove: 63 + m∠2 = 90

• Subtraction Property of Equality

• Reflexive Property of Equality

• Addition Property of Equality

• Substitution Property of Equality

Tags

CCSS.7.EE.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.7.EE.A.1

What is the justification?

• Reflexive Property

• Subtraction Property

• Division Property

• Substitution Property

Tags

CCSS.7.EE.A.1