AP precalc 1.5 and 1.4

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Pre-Calculus

19 Terms

1

Fundamental theorem of algebra

Any polynomial function of x, with real number coefficients can be factored implement over the set of complex numbers

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2

Conjugate root theorem

If p(x) is a polynomial with rational coefficients, then the irrational roots of p(x)=0 occur in conjugate pairs

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3

Terms of symmetry

Even and odd

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4

Even

A function f is even if and only if, when the point (x,y) is on the graph of f, then the point (-x,y) is also on the graph

F(-x)=f(x)

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5

How to find the degree of a polynomial function from a table

The degree of the polynomial function is equal to the least value n for which successive nth differences are constant

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6

Definition of polynomials

A monomial or the sun or monomials

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7

A constant is a polynomial function of

Degree zero

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8

If there exists an interval that contains b so that, for all x =/ in the interval

There is a local maximum or local minimum

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9

Turning point

A point where the graph of a function changed direction form upwards to downwards of vice versa

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10

End behavior

The direction of the graph as move to the left or to the right, away from the origin

E.B.M.

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11

Local maximum

F has a local maximum at b when f(b) > f(x)

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12

Local minimum

F has a local minimum at b when f(b) < f(x)

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13

Absolute or global Extrema

The highest or lowest y-values on the graph of a function or on a specified domain of a function

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14

Even degree polynomials

L.C > 0

Up

Unbounded

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15

Even degree and L.C. < 0

Down down

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16

Odd degree and L.C. > 0

Down up

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17

Odd degree and L.C < 0

Up down

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18

A point of inflection can occur at one of the three

At zero with a multiplicity of zero

Estimate a possible point of inflection between tow consecutive extreme values

Estimate a possible point of inflection between a zeros with multiplicity of three and the closest relative extreme value

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19
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