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MATHEMATICS · Subjective · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

Write f(x)=2x2−8x+7f(x)=2x^{2}-8x+7 in the form 2(x−h)2+k2(x-h)^{2}+k. Hence state the coordinates of the vertex of the parabola y=f(x)y=f(x).

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