NumericalEasy1 mark
6(iii)
A and B are two points on the x-axis and y-axis respectively.
Find the equation of a line passing through P and perpendicular to AB.
Topic: Reflection and plotting
Previous-year question practice database
Answer
Exam answer
Required line: y = x + 2.
Explanation
Slope AB=(4−0)/(0−4)=−1, so perpendicular slope is 1. Through P(1,3): y−3=x−1.
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