Using the two-point form, the equation of the line through (1, 2) and (3, 8) is:

  1. y = 3x + 1
  2. y = 3x - 1
  3. y = -3x - 1
  4. y = 13x - 1
Answer

B) y = 3x - 1

y - y1y2 - y1 = x - x1x2 - x1 gives slope 3 and y = 3x - 1. SLO M-09-B-08 · Understanding

Mathematics MCQ · More Coordinate Geometry MCQs · Practise