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turning points

points where the graph changes direction

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end behavior

directions of the graph to the far left and to the far right

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polynomial

one or more monomials

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perfect square trinomial

trinomial that is the square of a binomial

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radicand

number under a radical sign

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index

indicates degree of the root

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complex numbers

real and imaginary numbers

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x-intercept

point where a graph crosses the x-axis

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y-intercept

point where a graph crosses the y-axis

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parabola

graph of quadratic function

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quadratic function

second-degree polynomial

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range

set of all y-values of a function

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transformation

change made to a function

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translation

shift of the parent function

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axis of symmetry

line that divides a graph into two identical parts

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factoring

rewriting an expression as the product of its factors

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like radicals

radicals with the same index and radicand

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domain

set of all x-values of a function

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degree of polynomial

greatest degree among its terms

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cubic

3rd degree polynomial

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quartic

4th degree polynomial

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quintic

5th degree polynomial

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binomial

polynomial with 2 terms

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trinomial

polynomial with 3 terms

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