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Algebra 1-2 to 1-4

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stephanieyw's version from 2017-09-22 03:32

Section 1

Question Answer
Like termsterms that contain the same variables, with corresponding variables having the same exponent
simplest formreplaced by an equivalent expression having no like terms or parentheses
coefficientnumerical factor of a term
Distributive propertya(b+c)= ab+ac
Symmetric property of equialityfor ant number a=b+c then c+b=a
memorize

Section 2

Question Answer
equivalent expressionsthat denote the same value for all values of variables
additive identityfor any number a, a+0=0+a+a
multiplicative identityax1=1xa
multi. inverse2 numbers with a product of 1
recipricalthe multi. inverse of a number
Reflexive propa=A
symmetric propa=b b=a
transitive propa=b b=c then a=c
subtitutiona=b then a may be replaced by b in an expression
multiplicative prop of 0any number times 0 = 0
communitivea+b=b+a
associative(a+b)+c=a+(b+c)
memorize

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