How to convert to vertex form

Question

Hazel Jefferson

Mathematics

21 January, 17:18

How to convert to vertex form

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Alexandria Casey · Answer 1

The vertex form of a quadratic is given by. y = a (x - h) 2 + k, where (h, k) is the vertex. The "a" in the vertex form is the same "a" as. in y = ax2 + bx + c (that is, both a's have exactly the same value). The sign on "a" tells you whether the quadratic opens up or opens down.