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Daily Problem·Tuesday, 19 July 2022Back to today

Proportional to the square

GCSE · Mathematics · CCEA · R2 — Direct and inverse proportion

Question

y is proportional to the square of x. When x = 3, y = 36.

(a) Find a formula for y in terms of x. (3 marks) (b) Find y when x = 5. (1 mark) (c) Find the values of x when y = 64. (3 marks)

7 marks · take your time before peeking.

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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.