Mathematics
Grade10
Easy

Question

Write the equation of the line in point slope form that has a slope of -12 and passes through the point (-4, -5).

  1. y - 5 = -12(x - 4)
  2. y + 4 = -12(x + 5)
  3. y + 5 = -12(x + 4)
  4. y - 12 = -4(x + 5)

Hint:

The point –slope form of linear equation is represented by y - y1 = m (x - x1), where m is the slope.
and it passes thorough the ( x1 , y1 ) point .

The correct answer is: y + 5 = -12(x + 4)


    Given the Point (-4, -5);
    and slope m= -12
    Step1 : The point –slope form of linear equation is represented by y - y1 = m (x - x1),
    where m is the slope. and ( x1 , y1 ) point
    Step 2 : Substitute (-4, -5) in (x1, y1) and -12 in m place
    y + 5 = -12(x + 4) , is the required answer .

    Just substitute values in the standard form of point - slope form to get the equation.

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