The expression $$\(5+12 x-2 x^{2}\)$$ can be written in the form $$\(q-2(x+p)^{2}\)$$. Write down the coordinates of the maximum point of the curve $$\(y=5+12 x-2 x^{2}\)$$. ( ............ , ............ )

Mathematics
IGCSE&ALevel
CAIE
Exam No:0580_w21_qp_42 Year:2021 Question No:6(d)(ii)

Answer:

\((3,23)\)

Knowledge points:

E2.5.4 Derive and solve quadratic equations by factorisation, completing the square and by use of the formula.

Solution:

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