Straight LineEasy
Question
The perpendicular bisector of the line segment joining P (1, 4) and Q (k, 3) has y−intercept - 4. Then a possible value of k is
Options
A.1
B.2
C.-2
D.-4
Solution
Slope of bisector = k - 1
Middle point =
Equation of bisector is
Put x = 0 and y = - 4.
⇒ k = ± 4.
Middle point =
Equation of bisector is
Put x = 0 and y = - 4.
⇒ k = ± 4.
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