How do you write the quadratic equation given #a=-2# and the vertex #(-5, 0)#?

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Answer 1 · 2014-11-01T20:54:20

Vertex Form of Quadratic Function

#y=a(x-h)^2+k#,

where #(h,k)# is the vertex.

Since #a=-2# and #(h,k)=(-5,0)#, we have

#y=-2[x-(-5)]^2+0=-2(x+5)^2#.

I hope that this was helpful.