MATH SHIT

MATH SHIT - Ab=ba 2 3=3 2 2(3)=3(2 2 association law-over...

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P.2 R1 Real Numbers Real numbers - rational- natural, whole, integers, fractions/decimals, radicals Irrational-pie square roots 0=0/x=0 1=1/1=1 2=2/2=2 Imaginary numbers - I or square root -2 or square root -3 never ends and never repeats pie=3.144444444444444………. never ends order of operations 6-{3*5+2(3-2)} 1 parenthesis and exponents 2 multiply and devision 3 addition and subtraction Properties 1 cumulative law---over addition Over multiplication a+b=b+a

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Unformatted text preview: Ab=ba 2+3=3+2 2(3)=3(2) 2 association law ----over addition Over multiplication A+(b+c)=(a+b)=c A(bc)=(ab)c 2+(3+4)=(2+3)+4 2(3-4)=(2-3)4 3 distributing law A(b+c)=ab+ac (a+b)c=ac+bc Identity law Addition A+0=a A*1=a 5 additive inverse A+(-a)=0 6 multiplicative inverse (reciprocal) A1/a=1 A*0=0 0/a=0 a/a=1 a/0=undefined rules of signs a(-b)=-ab-a(b)=-ab-a(-b)=ab-(-a)=a A/-b=-a/b Fractions a/b+c/d=ad/bd+cb/bd=ad+cb/bd a/b*c/d=ac/bd...
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This note was uploaded on 04/03/2008 for the course MAT 117 taught by Professor Dontremember during the Spring '07 term at ASU.

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MATH SHIT - Ab=ba 2 3=3 2 2(3)=3(2 2 association law-over...

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