SOLUTION: 3x^2-7x-20 in vertex form

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Question 390510: 3x^2-7x-20 in vertex form
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
The vertex form is, y+=+a%28x-h%29%5E2+%2B+k where (h,k) is the vertex.
h+=+-b%2F2a+=+7%2F6,
k+=+%284ac+-+b%5E2%29%2F4a+=+%284%2A3%2A-20+-+49%29%2F12+=+-289%2F12.
Therefore the vertex form is
y+=+3%28x-7%2F6%29%5E2+-+289%2F12