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OpenStudy (krichmond):
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OpenStudy (wckeller):
With?
OpenStudy (krichmond):
Says vertex form
OpenStudy (wckeller):
Vertex form: f (x) = a(x - h)2 + k, where (h, k) is the vertex of the parabola.
OpenStudy (krichmond):
Yes I don't know where to start or what to do says y= 4x^2-16+6 the four is a squared
OpenStudy (wckeller):
Is this your function?\[4x^2 -16+6\]
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OpenStudy (wckeller):
Or is it \[4x^2 -16x+6\]
OpenStudy (krichmond):
Yes but oops sorry we already did that one in class it is y=2 square +20x+1
OpenStudy (wckeller):
So this is the function we are working with?\[2x^2+20x+1\]
OpenStudy (krichmond):
Yes
OpenStudy (wckeller):
And we are trying to put it into vertex form?
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OpenStudy (krichmond):
Yes and say if it is vertex or orientation and stretch compress or niether
OpenStudy (wckeller):
We can start by finding the vertex of the parabola, do you know the formula for finding the X value of the vertex?
OpenStudy (krichmond):
I think is it y=a squared+bx+c
OpenStudy (wckeller):
Unfortunately no, the equation we need is \[h=\frac{-b}{2a}\]
to find value of h in (h,k)
OpenStudy (krichmond):
Yes that what I meant
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