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    Mathematics
    Grade-8
    Easy

    Question

    What is the equation 8x – 4y – 12 = 0 in slope-intercept form?

     

    1. y = –2x – 3
    2. y = –2x + 3
    3. y = 2x – 3
    4. y = 2x + 3

    hintHint:

    Equation of a line, when its slope and intercept is given can be given as- y = mx + b, where m = slope and b = y-intercept.

    The correct answer is: y = 2x – 3

      GIVEN-
      8x – 4y – 12 = 0
      TO FIND-
      Equation of the given line in slope intercept form.
      SOLUTION-
      8x – 4y – 12 = 0
      ∴                -4y = -8x + 12 .................... (Subtracting 8x and adding 12 on both sides)
      ∴                   y = -8/-4 x + 12 / -4
      ∴                   y = 2x - 3
      FINAL ANSWER-
      Option 'c' i.e. 'y = 2x – 3' is the correct answer to the given question.

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