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.