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Q21: Paper 3 – Nov 2022
Q21: Paper 3 – Nov 2022
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Question
21)
The equation of a curve is y = 4x2 − 56x
The curve has one turning point.
By completing the square, show that the coordinates of the turning point are (7, −196)
You must show all your working.
[3 marks]
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Working
The equation of a curve is y = 4x2 − 56x
The curve has one turning point.
By completing the square, show that the coordinates of the turning point are (7, −196)
You must show all your working.
