Question
WJEC Unit 1 (Non-calculator) — Higher
y is directly proportional to x². When x = 4, y = 80.
(a) Find an equation for y in terms of x. (2 marks) (b) Find y when x = 9. (2 marks) (c) Find x when y = 125, given x > 0. (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.