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Alg 2 Properties
Question | Answer |
---|---|
Commutative addition and Multiplication | 2+3=3+2 3x2=2x3 |
Associative addition and multiplication | (4+3)+2=4+(3+2) (3x4)x2+3x(4x2) |
Identity of addition and multiplication | 4+0=4 2x1+2 |
Inverse of addition and multiplication | 4+-4=0 4x(1/4)=1 |
addition of equality | 12-3=4; 12=7 |
subtraction of equality | 15+6=10; 15=4 |
multiplication of equality | 5/10=7; 5=70 |
division of equality | 10x25=100; 10=4 |
distributive | a(b+c)=ab+ac |
substitution | 5y=12-2y=18; 3y=12=18 |
reflexitive | -3+y=-3+y |
symmetric | y=7; 7=y |
transitive | a=b and b=c, then a=c |