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UGC NET CSE | December 2015 | Part 3 | Question: 32

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The end points of a given line are $(0,0)$ and $(6,18)$. Compute each value of y as x steps from $0$ to $3$, by using equation of straight line:

  1. For $x=0, y=0; x=1, y=3; x=2, y=6; x=3, y=9$
  2. For $x=0, y=1; x=1, y=3; x=2, y=4; x=3, y=9$
  3. For $x=0, y=2; x=1, y=3; x=2, y=6; x=3, y=9$
  4. For $x=0, y=0; x=1, y=3; x=2, y=4; x=3, y=6$
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A is the ans

eqn of line passing through 2 points (x1,y1) ,(x2,y2) is y-y1=(y2-y1)*(x-x1)/(x2-x1)

so here eqn of line is y-0=(18-0)(x-0)/(6-0) =>y=3x

so when x=0 y=0

           x=1 y=3

            x=2  y=6

           x=3   y=9

hence ans is A
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