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How to graph a quadratic function Practice Test

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Q1

The parabolas of the functions and on the coordinate plane have the same vertex.

If we define $f(x) = $$\frac{4}{5}$(x-9)^{2}$+ 6$ , which of the following is a possible equation for ?

$f(x)= $Ax^{2}$+ Bx+ C$ has as its graph a vertical parabola on the coordinate plane. You are given that , but you are given neither nor .

Which of the following can you determine without knowing the values of and ?

I) Whether the curve opens upward or opens downward

II) The location of the vertex

III) The location of the -intercept

IV) The locations of the -intercepts, if there are any

V) The equation of the line of symmetry

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