#048 Algebraic Proofs

Identify the Property Of Equality.

If 9=x, then x=9

• 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 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

What is usually the first entry in the Reason Column of an algebraic proof?

• Prove

• Given

• Reason

• Statement

What is 4th Reason?

• Subtraction Property Of Equality

• Addition Property Of Equality

Tags

CCSS.HSA.REI.A.1

What is the 6th Reason?

• Subtraction Property Of Equality

• Addition Property Of Equality

• Division Property Of Equality

Tags

CCSS.HSA.REI.A.1

What is the first Reason?

• Addition Property Of Equality

• Given

• Subtraction Property Of Equality

• Prove

Tags

CCSS.HSA.REI.A.1

What is the fifth Reason?

• Symmetric Property of Equality

• Subtraction Property of Equality

• Multiplication Property of Equality

• Division Property of Equality

Tags

CCSS.HSA.REI.A.1

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

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

Tags

CCSS.7.EE.A.1

What is Subtraction 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

.

• Addition Property of Equality

• Reflexive Property of Equality

• Angle Addition Postulate

• Transitive Property of Equality

Tags

CCSS.7.EE.A.1