Geometry Proofs-Alg, Angles, Parallel lInes with transversals

Step 2 is what

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

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

• Prove
• Given
• Reason
• Statement

Identify the property used here:
39=39

• Reflexive
• Symmetric
• Transitive
• Substitution

What is step 4

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

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

• Reflexive
• Symmetric
• Transitive
• Substitution

Name the Property that this statement illustrates:

If x = y, then 3x = 3y.

• Multiplication Property Of Equality

• Addition Property Of Equality

• Symmetric Property Of Equality

Name the property of equality or congruence that justifies going from the first statement to the second statement.

• Reflexive Property of Congruence
• Symmetric Property of Congruence
• Distributive Property
• Transitive Property of Congruence

Complete the statement with the transitive property: If a=b and b=c then...

• a=c

• b=a

• c=b

• a=d

Fill in the reason for number 3. 

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

What is the missing statement in the proof?

• Addition property

• Segment Addition Postulate

• Substitution property

• Transitive property