Question 16 — IGCSE 0580 Specimen 2025 Paper 41
Cambridge IGCSE Mathematics 0580, Extended tier, calculator. Topic: Co-ordinate geometry · Cartesian coordinates (2D). Worth 7 marks.
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Question text
16 A is the point (7, 2) and B is the point (−5, 8).
(a) Calculate the length of AB.
............................................... [3]
(b) Find the equation of the line that is perpendicular to AB and that passes through the point (−1, 3).
Give your answer in the form y = mx + c .
y = .............................................. [4]
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