For which k does the line (x + y - 3) + k(x - y - 1) = 0 pass through the origin?

  1. k = 3
  2. k = 13
  3. k = -1
  4. k = -3
Answer

D) k = -3

Put x = y = 0: -3 + k(-1) = 0 Rightarrow k = -3. SLO M-09-B-11 · Understanding

Mathematics MCQ · More Angle Between Lines MCQs · Practise