Same chapter4 marksDifficulty: Hard
A(2, 5), B(−1, 2) and C(5, 8) are three points. Show that they are collinear by finding the slopes of AB and BC.
Equation of a Straight Line
4 marksDifficulty: Hard
Find the equation of the perpendicular bisector of the segment joining (1, 2) and (5, 6).
Original Khojo Papers practice question — not from a past board paper.
Answer
x + y = 7
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The midpoint is (3, 4) and the slope of the segment is 1, so the bisector has slope −1. Hence y − 4 = −(x − 3), that is x + y = 7.
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