Every equation of the form ax + by + c = 0 (with a, b not both zero) represents:

  1. a single point
  2. a circle
  3. a parabola
  4. a straight line
Answer

D) a straight line

It is of degree one in x and y, so its graph is a straight line. SLO M-09-B-09 · Understanding

Mathematics MCQ · More Coordinate Geometry MCQs · Practise