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8th Grade Algebradef
8th Grade Algebra Definitions
name | definition |
---|---|
Natural Numbers | The set of counting numbers |
Whole Numbers | The set of counting numbers and zero |
Integers | The set of Whole numbers and their additive inverses |
Rational Numbers | The set of all a/b where a=Interger and b= natural |
Union | To bring together 2 or more sets |
Intersection | To bring together what is in common between 2 or more sets |
Absolute Value | The distance of a number from the origin |
Reflexive | 7=7, a=a |
Symmetric | if a=b, then b=a |
Transitive | If a=b and b=c then a=c |
Zero Property | a*0=0 |
Distributive Property | a (b+c)=ab+ac |
Additive Inverse | a+-a=0 |
Additive identity | 9+0=9 |
Communitive property of + and * | a+b=b+a, ab=ba |
Multiplicative Inverse | b*1/b=1 |
Multiplicative Identity | 12*1=12, x*1=x |
Associative Property of + or * | (a+b)+c=a+(b+c) |
Substitution | 3+7= 3+(14/2) |