Saturday 27 October 2012

Find the Equation of the line AB when it meets x-axis at (-3,0) with slope = -2

Find the Equation of the line AB when it meets x-axis at (-3,0) with slope = -2


Sol :


Here,
                m = -2
                x1 = -3  and y1 = 0
Therefore           Equation of the line AB:
                                Y-0 = -2(x+3)
Or                           Y = -2x-3
Or                           2x+y+6 = 0


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