###
turning points

points where the graph changes direction

###
end behavior

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

###
polynomial

one or more monomials

###
perfect square trinomial

trinomial that is the square of a binomial

###
radicand

number under a radical sign

###
index

indicates degree of the root

###
complex numbers

real and imaginary numbers

###
x-intercept

point where a graph crosses the x-axis

###
y-intercept

point where a graph crosses the y-axis

###
parabola

graph of quadratic function

###
quadratic function

second-degree polynomial

###
range

set of all y-values of a function

###
transformation

change made to a function

###
translation

shift of the parent function

###
axis of symmetry

line that divides a graph into two identical parts

###
factoring

rewriting an expression as the product of its factors

###
like radicals

radicals with the same index and radicand

###
domain

set of all x-values of a function

###
degree of polynomial

greatest degree among its terms

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