properties of real numbers Flashcards
1
Q
example of commutative
A
ab=ba
a+b=b+a
2
Q
example of associative
A
(ab)c=a(bc)
a+b)+c=a+(b+c
3
Q
example of distributive
A
x(y+z)= xy+xz
4
Q
example of identity elements
A
5+0=5
x+0=x
5
Q
what is the additive identity
A
0
6
Q
what is the multiplicative identity
A
1
7
Q
example of inverse elements (additive inverse)
A
3+(-3)=0 (x and -x relationship)
8
Q
example of inverse elements (multiplicative inverse)
A
8*1/8=1 (# times its reciprocal)
9
Q
what does commutative mean?
A
either way
