Question 16 — IGCSE 0580 Specimen 2025 Paper 11
Cambridge IGCSE Mathematics 0580, Core tier, non-calculator. Topic: Co-ordinate geometry · Equation of a straight line. Worth 11 marks.
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Question text
16 The line L is shown on the grid.
y
6
5
4
3
2
L
1
– 2 – 1 0 1 2 3 4 x
– 1
– 2
– 3
– 4
– 5
– 6
(a) Find the equation of line L in the form y = mx + c .
y = .............................................. [3]
© Cambridge University Press & Assessment 2022 0580/01/SP/25
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(b) The table shows some values for y = x2 – 2x – 3 .
x –2 –1 0 1 2 3 4
y 0 –3 –3 0
(i) Complete the table. [2]
(ii) On the grid, draw the graph of y = x2 – 2x – 3 for –2 x 4 . [4]
⩽ ⩽
(c) Write down the equation of the line of symmetry of the graph of y = x2 – 2x – 3 .
............................................... [1]
(d) Write down the negative value of x where the line L and the graph of y = x2 – 2x – 3 intersect.
x = .............................................. [1]
© Cambridge University Press & Assessment 2022 0580/01/SP/25 [Turn over
14
Mark scheme
