Express $$\(7+12 x-3 x^{2}\)$$ in the form $$\(a+b(x+c)^{2}\)$$ where $$\(a, b\)$$ and $$\(c\)$$ are integers. (3) C is the curve with equation $$\(y=7+12 x-3 x^{2}\)$$ The point $$\(A\)$$ is the maximum point on $$\(\mathbf{C}\)$$ (b) Use your answer to part (a) to write down the coordinates of $$\(A\)$$ (1)

Mathematics
IGCSE&ALevel
EDEXCEL
Exam No:4MA1_1H_que_20220111 Year:2022 Question No:IGCSE&ALevelMathematics2022IG0259

Answer:



Knowledge points:

1: Numbers and the number system
3: Sequences, functions and graphs

Solution:

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