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anonymous
 one year ago
Write the vertex form of the equation of the parabola which has a vertex of (0, 0) and contains the point (2, –2).
help please.
anonymous
 one year ago
Write the vertex form of the equation of the parabola which has a vertex of (0, 0) and contains the point (2, –2). help please.

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AbdullahM
 one year ago
Best ResponseYou've already chosen the best response.0Welcome to OpenStudy! @museee Do you know what the vertex form is?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0thank you . and its a(xh)^2+k, right ?

AbdullahM
 one year ago
Best ResponseYou've already chosen the best response.0correct, where (h,k) is the vertex

AbdullahM
 one year ago
Best ResponseYou've already chosen the best response.0So first of all, lets plug in the vertex into this equation. :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0but how do i find that ? im sorry im really terrible at math

AbdullahM
 one year ago
Best ResponseYou've already chosen the best response.0vertex is (0,0) in the form of (h,k) that means h=0 and k=0

AbdullahM
 one year ago
Best ResponseYou've already chosen the best response.0so if we plug that into the vertex form we get: \(\sf\Large y=a(xh)^2+k\) \(\sf\Large y=a(x0)^2+0\) \(\sf\Large y=a(x)^2\)

AbdullahM
 one year ago
Best ResponseYou've already chosen the best response.0Now plug in the points (2,2) to solve for 'a'
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