Clovis Nyu's answer to Carrie Tan's Secondary 3 A Maths question.
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Basically find the minimum point. That is the lowest point of the curve so if that is above y=-3, the whole graph will be above it. Its a minimum point and not a maximum as the coefficient of x^2 is positive.
Left is completing the square right is differentiation.
Left is completing the square right is differentiation.
Date Posted:
7 years ago
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