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Find the x- coordinate of the vertex of the function?

y= 2 x to the second power + 4x - 2

2007-12-10 16:26:45 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

A, 1
B. - 1
C. 0

2007-12-10 16:35:02 · update #1

1 answers

y = 2x^2 + 4x - 2
y = 2(x^2 + 2x - 1)
y = 2(x^2 + 2x + 1) - 2 - 2
y = 2(x + 1)^2 - 4
vertex @ (- 1, - 4)

2007-12-10 17:03:03 · answer #1 · answered by Helmut 7 · 0⤊ 0⤋

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