parabolas

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10 Terms

1
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parabola formula
y=a(x-h)^2+k
2
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what is the a in the parabola formula
dilation/reflection in the x-axis
3
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what is the h in the parabola formula
horizontal transformation/shift by h unit(s)
4
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what is the k in the parabola formula
vertical shift by k unit(s)
5
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using the parabola formula, what is the turning point
(h,k)
6
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using the parabola formula, what is the axis of symmetry
x=h
7
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using the parabola formula, what is the y-intercept
=ah^2+k
8
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when in the form ax^2+bx+c=0, what are the x-intercept(s)
the quadratic formula

(-b±√(b^2-4ac))/2a
9
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when in the form ax^2+bx+c=0, what is the turning point
(-b/2a,-Δ/4a)
10
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what is the discriminant
Δ=b^2-4ac