lesson 2-5

Question 1

Addition Property

Answer 1

If a=b, then a+c = b+c

Question 2

Multiplication Property

Answer 2

If a=b, then ac = bc

Question 2

Subtraction Property

Answer 2

If a=b, then a-c = b-c

Question 3

Division Property

Answer 3

If a=b and c!= 0, then a/c = b/c

Question 4

(Equality) Reflexive Property

Answer 4

a=a

Question 5

(Equality) Symmetric Property

Answer 5

If a=b, then b=a

Question 6

(Equality) Transitive Property

Answer 6

If a=b and b=c, then a=c

Question 7

Substitution Property

Answer 7

If a=b, then ab can replace a in any expression

Question 8

Distributive property

Answer 8

a(b+c)=ab+ac

Question 9

(Congruence) Reflexive Property

Answer 9

line AB≅line AB <A≅<A

Question 10

(Congruence) Symmetric Property

Answer 10

If line AB ≅line CD, then line CD≅line AB

Question 11

(Congruence) Transitive Property

Answer 11

If line AB ≅ line CD and line CD ≅ line EF, then line AB≅line EF
If<A≅<B and <B≅<C, then <A≅<C