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0580/12 May/Jun 2026, Question 19: The Equation y = mx + c

Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Non-calculator · 4 marks

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The question, in short

Line L is y = 3x + 7. Find its gradient, then use the line to find p in point P(4, p) and w in point W(w, −11).

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Part (a) · 1 mark

State the gradient of line L from its equation.

  1. 1y = mx + c with m = 3
  2. 2Gradient = 3

Answer3

Part (bi) · 1 mark

Find the value of p for point P(4, p) on line L.

  1. 1p = 3 × 4 + 7
  2. 2p = 19

Answer19

Part (bii) · 2 marks

Find the value of w for point W(w, −11) on line L.

  1. 1−11 = 3w + 7
  2. 23w = −18
  3. 3w = −6

Answer−6

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Also searched as: 0580/12/M/J/26 · 0580_s26_qp_12 · 0580 s26 12 · question 19.
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