Hi

Using the point-slope formula, 

(-5,-4) and 

(-1,-6)  m = 2/-4 = -1/2

 



  y = (-1/2)x + b   |using ordered pair Pt(-5,-4) to solve for b

 -4 = (-1/2)*5 + b

 -8/2 + 5/2 = b

  -3/2 = b

 y =   y = (-1/2)x -3/2  | The equation of the line in slope-intercept form

  y-intercept Pt(0,-3/2)

 m = -1/2: as y increases/decreases by 1, x increases/decreases by 2 in opposite direction

              Pt(-2,-1/2) and Pt(2,-5/2) on the Line



 

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