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Algebra chap 1
1-8
14
Other
10th Grade
09/16/2008
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Term
R
 Definition
real number
Term
Q
 Definition
RATIONAL NUMBER
Term
z
 Definition
interger
Term
Roster notation
 Definition
list all numbers
(1,2,3,4,5,)
Term
Interval notation
 Definition
(3,5) (all number between three and 5)
Term
Set-builder Notation
 Definition
uses properties of elements to build sets
Xl8
Term
Additive Identity
 Definition
3+0+=3
Term
mULTIPlicative identity
 Definition
N X 1=N
Term
Additive inverse
 Definition
a number minus itself will equal 0
Term
multiplicative inverse
 Definition
a number times its inverse will equal 1
Term
closure property
 Definition
sum of any 2 real numbers is real
Term
commutative property
 Definition
can multiply in different orders
7+3=3+7
Term
Associative
 Definition
sum does not changeby grouping
3(2+1)=6+3
Term
Distributive
 Definition
does not matter how multiplication is distributed
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