Which following equation describe the line shown (-4,4) & (2,1)

Which following equation describe the line shown (-4,4) & (2,1)

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  1. Solve for the slope (m) of the line first by the equation, 
                                 m = (y2 - y1) / (x2 - x1)
    Substituting the coordinates of the given points to the equation,
                                 m = (1 - 4) / (2 - -4) = -0.5
    The equation of the line may be expressed in slope-point form whose general expression is y - y1 = m(x - x1). Substituting, y - 4 = -0.5(x - -4). Further simplification of the equation will give an answer of, 
                                                y = -0.5x +2
                           
                                  

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