Honors Algebra Quiz 1

Question 1

Commutative (give example of addition and multiplication)

Answer 1

a+b=b+a
ab=ba

Question 2

Associative (example of addition and multiplication)

Answer 2

(a+b) +c =a+(b+c)
(ab)c= a(bc)

Question 3

Identity (ex of addition and multiplication)

Answer 3

0 is the identity x
a+0=0+a =a
1 is the identity +
a1=1a=0

Question 4

Zero(ex of addition and multi)

Answer 4

a+0=a
a(0) = 0

Question 5

Distributive

Answer 5

a(b+c)= ab+ ac and (b+c)a= ba+ca

Question 6

Substitution

Answer 6

If a=b then a may be substituted for b