3.4 and 3.5

What is the justification (reason)?

• Reflexive Property
• Symmetric Property
• Transitive Property
• Substitution

What is the justification (reason)?

• reflexive property
• definition of segment bisect
• definition of a midpoint
• substitution property

What is the missing statement in the proof?

• Addition property

• Segment Addition Postulate

• Substitution property

• Transitive property

What is the reason?

• Transitive 
• Substitution
• Middle Man
• Replacing 

What is the justification?

• Definition of congruence

• Reflexive Property of Congruence

• Segment Addition Postulate

• Definition of Midpoint

What property states that if

a = b and b = c then a = c?

• Equality Property

• Reflexive Property

• Transitive Property

• Associative Property

What property states that something is congruent to itself?

• Symmetry Property

• Congruence Property

• Reflexive Property

What is the difference between a theorem and a postulate?

• A postulate is a statement that is assumed true without proof while a theorem is a true statement that can be proven.

• A theorem is a statement that is assumed true without proof while a postulate is a true statement that can be proven.

Why are proofs useful?

• They use logical deductions to prove a statement true.

• They list given statements.

• They show statements.

Step 2 is what

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