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AP EAMCET · Maths · Straight Lines

If the \(y\)-intercept of the perpendicular bisector of the line segment joining \(\mathrm{P}(1,4)\) and \(\mathrm{Q}(\mathrm{k}, 3)\) is -4 , then a possible value of \(k\) is

  1. A \(2\)
  2. B \(-2\)
  3. C \(-4\)
  4. D \(1\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(-4\)

Step-by-step Solution

Detailed explanation

Mid point of \(P Q\) is \(\Rightarrow M=\left(\frac{1+k}{2} ; \frac{7}{2}\right)\) Slope of line \(P Q \Rightarrow m=\frac{4-3}{1-k}=\frac{1}{1-k}\) Slope of perpendicular bisector is \(m m^{\prime}=-1 \Rightarrow m^{\prime}=(k-1)\) The equation of perpendicular bisector is…