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Mathematics 15 Online
OpenStudy (krichmond):

Need help

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?\[4x^2 -16+6\]

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?

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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