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31 Cards in this Set
- Front
- Back
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real #
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symbol:R
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Rational #
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real # that can be represented by quotient of the integers
terminating or repeating decimal |
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integer
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real number w/o decimal
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non-integer
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real # w/ terminating decimal or repeating part
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whole #
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non-negative integer
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natural number
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all whole #'s except 0
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interval notation
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specifies all the #'s between 2 endpts.
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set builder notation
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uses properties of the elements in the set to define the set
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E
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element of
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Closure Properties
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The sum or product of any two real #'s is also a real #
For Add: a,b E of R then a+b E of R For Mulit: a,b E of R then a*b E of R |
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Identity Property
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For Add: a+0=a
For Multi: a(1)=a |
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Inverse Prop.
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For Add: a+(-a)=0
For Multi: a(1/a)=1 |
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Commutative Prop.
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a+b=b+a
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Assoc Prop.
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(a+b)+c=a+(b+c)
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Distributive Prop.
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a(b+c)=a*b+a*c
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domain
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set of all possible values for the independent variable (x)
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range
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the set of all possible values for the dependent variable (y)
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linear function
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f(x)=x
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constant
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f(x)=c
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quadratic
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f(x)=x^2
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cubic
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f(x)=x^3
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square root
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f(x)=(square root)x
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horizontal translation
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f(x)~f(x-h)
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vertical translation
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f(x)~f(v)+k
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reflection across y-axis
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f(x)~f(-x)
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reflection across x-axis
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f(x)~-f(x)
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horizontal stretch/compression
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f(x)~f(1/b x)
IbI>1 stretch IbI<1 compression |
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vertical stretch/compression
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f(x)~af(x)
IaI>1 stretch IaI<1 compression |
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pt. slope formula
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y-y=m(x-x)
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union
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U
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intercetion
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up-side-down U
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