Find the Vertex Form and Identify its vertex

Algebra
Tutor: None Selected Time limit: 1 Day

Write the function f(x) - 2x^2 - 24x + 76 in vertex form and identify its vertex

Nov 12th, 2014

f(x)=- 2x2 - 24x + 76

y = - 2x2 - 24x + 76 = -2(x2+12x+36)+148

y-148=-2(x+6)2

vertex (-6,148)

I presume that the problem must be

f(x)=- 2x2 - 24x - 76

y = - 2x2 - 24x - 76 = -2(x2+12x+36)-4

y+4 =-2(x+6)2

vertex (-6,-4)


Nov 12th, 2014

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Nov 12th, 2014
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