Mathematics · May / June 2025 · Paper 42 · Question 25
0580
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ė is the point (8, 0) and Q is the point (20, 6). Find the equation of the perpendicular bisector of ėQ. Give your answer in the form y āx c ¡ É . y ¡ [5]
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[y =] –2x + 31 [5]
B1 for (14, 3) AND −
M1 for 6 0 (m1) oe − 20 8 1 −
M1 for m = their m 1 AND M1dep for their 3 = their m × their 14 + c oe
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