In Secondary 3, we are going to find the Gradient of a straight line given the coordinates of two points.
Find the gradient of the the line passing through each of the following pairs of point:[br](a) A (2, 3) and B(7,5)[br][br](c) E (0,0) and F(-2,1)[br](d) G (2, -3) and H(1, 7)[br](e) I (-2, 4) and J(-5, 8)
(b) C (-2, 8) and D(1, -1)