### Vocabulary Words

 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Across
3.occur when a quadratic equation has
5.a way to write numbers using the digits
7.the number inside the radical that is a real number
9.parts where the grah is increasing
10.the x of the vertex is the axis of symmetry because the graph on that line could be folded in half and both sides would match perfectly.
12.the common end point of two or more rays or line segments.
15.a sequence of values follows a pattern of adding a fixed amount from one term to the next
19.the lowest point (if positive) or highest point (if negative) on the graph the point
20.is an equation in which one or more of the terms is squared.
Down
1.parts where the graph is decreasing
2.is a function that can be described by an equation of the form f(x) = ax2 + bx + c
4.is any number that can be written in the standard form
6.plane whose points have complex numbers as their coordinates
8.is an ordered list of numbers.
11.is where the graph of a line intercepts
13.are x intercepts
14.the domain is (-infinity ,+infinity)
16.the min and max value
18.radical is the symbol for square root of x

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