Use completing the square to solve for the zeroes of the following functions:

MATHEMATICS · Multi-part · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

Use completing the square to solve for the zeroes of the following functions: (1) f(x)=−12(x−7)2−8f(x)=-\frac{1}{2}(x-7)^2-8 (2) f(x)=2x2−8x−10f(x)=2x^2-8x-10 (3) f(x)=5(x−1)2+45f(x)=5(x-1)^2+45 (4) f(x)=−x2+4x+1f(x)=-x^2+4x+1

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