Maths-
General
Easy

Question

Which of the following points lie on the line 2x – 5y = 12?

  1. (1, 2)
  2. (1, -2)
  3. (-1, -2)
  4. (-1, 2)

hintHint:

If the given point lies on the line then the point must satisfy the equation of line.
Follow option checking to find the correct answer.

The correct answer is: (1, -2)


    ANS :-  Option B
    Explanation :-
    . a. At (1, 2)  2 x minus 5 y equals 12 not stretchy rightwards double arrow 2 left parenthesis 1 right parenthesis minus 5 left parenthesis 2 right parenthesis equals 12 not stretchy rightwards double arrow 2 minus 10 equals 12 not stretchy rightwards double arrow 8 not equal to 12 condition not
    satisfied . so, point (1,2) does not lie on the line
    b. (1, -2)  2 x minus 5 y equals 12 not stretchy rightwards double arrow 2 left parenthesis 1 right parenthesis minus 5 left parenthesis negative 2 right parenthesis equals 12 not stretchy rightwards double arrow 2 plus 10 equals 12 not stretchy rightwards double arrow 12 equals 12
    condition satisfied . so, point (1,-2) lie on the line with equation 2x – 5y = 12
    ∴Option B is correct

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