Alg 2 Trig(H) Unit 1
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16 Terms
1
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Trichotemy Property
If a and b are real numbers then either a
2
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Cancellation Property for Addition
If a + c = b + c, then a = b
3
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Multiplication Property of -1
a(-1)=-a
4
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Reciprocals of Equals are Equal
If a=b then 1/a=1/b
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Definition of Subtraction
a-b=a+(-b)
6
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Definition of Division
a/b = a (1/b), b ≠ 0
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A negative number divided by a positive number is a negative number
-x/y = -(x/y)
8
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Property of the Reciprocal of a Product
1/ab = 1/a * 1/b
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A negative sign distributes over addition
-(a + b) = -a + -b
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The opposite of the opposite of a number, is that number
-(-a) = a
11
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Cancellation Property of Multiplication
if ac=bc then a=b when c is not 0
12
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Multiplication property of zero
a x 0 = 0
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Cancellation Property for Division
if a/c = b/c then a = b
14
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Division Distributes over Subtraction
(x - y)/z = x/z - y/z
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Division Distributes over Addition
(x + y)/z = x/z + y/z
16
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multiplication property of fractions
xy/ab=x/a*y/b
Note 
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