Algebraic Proofs and Properties

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

• Reflexive
• Symmetric
• Transitive
• Substitution

Tags

CCSS.7.EE.A.1

Identify the property of equality used here:

39=39

• Reflexive

• Symmetric

• Transitive

• Substitution

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

For any numbers a, b, and c, if a = b and b = c, then a = c.

• Transitive Property of Equality

• Symmetric Property of Equality

• Reflexive Property of Equality

• Substitution Property of Equality

Tags

CCSS.7.EE.A.1

What is the justification?

• Vertical Angles Theorem

• Transitive Property of Equality

• Compliment Theorem

• Reflexive Property of Congruence

Tags

CCSS.HSG.SRT.B.5

What is the justification?

• Transitive Property of Equality

• Subtraction Property of Equality

• Division Property of Equality

• Substitution Property of Equality

Tags

CCSS.7.EE.A.1

• Multiplication Property of Equality

• Segment Addition Postulate

• Definition of Midpoint

• Symmetric Property of Congruence

Tags

CCSS.HSG.SRT.B.5

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

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

Tags

CCSS.7.EE.A.1

For any numbers a and b, if a = b, then b = a.

• Transitive Property of Equality

• Reflexive Property of Equality

• Symmetric 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.HSA.REI.A.1

CCSS.HSA.REI.B.3