Question
(F/H6) Which of the following is a direct proportion? Justify briefly. (a) y = 2x + 3 (b) y = 4x (c) y = x² (d) y = 5/x
[Crossover tier]
3 marks · take your time before peeking.
Sign up to try the next 30 problems
Save your streak, mark answers against the spec, and build a daily revision habit. Free during public beta — no card, no auto-renew.
Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.