1. The problem statement, all variables and given/known data There are two parts to this problem. On the curve 2x^2-5 lie two points P and Q. Let the abscissa of P be "x" and the abscissa of Q be "x+h". No numerical coordinates are given. a) State the coordinates of P and Q. b) Using these points find the gradient of the secant PQ 2. Relevant equations 3. The attempt at a solution For the first part of the question Im assuming that the coordinates would be P (x, f(x)) and Q (x+h, f(x+h)) Now when it comes to finding the gradient of the secant - Can use a table to find a set of coordinates and then plug in the m = y2 - y1 / x2 - x1 ? Not should why the question would ask to use the above coordinates when the gradient of the secant is a different equation? Could use some guidence on how I attack this problem. Many thanks.