Question 749093

Gradient = y2 - y1/ x2 - x1  => -7 - 3/4 - (-1)
         = - 10/5 = -2
Using y - b = m(x - a)  and coords (4, -7)
      y - (-7) = -2(x - 4)
      y + 7 = -2x + 8
          y = -2x + 8 - 7
          y = -2x + 1