Question Where p and q are integers. a. Find the value of p and the value of q. b. Calculate the discriminant of . c. On the axes on page 17, sketch the curve with equation showing clearly the coordinates of any points where the curve crosses the coordinate axes. Solution a. We have the expression; We […]
Question The curve C has equation y=x(5−x) and the line L has equation 2y=5x+4. a. Use algebra to show that C and L do not intersect. b. In the space on page 11, sketch C and L on the same diagram, showing the coordinates of the points at which C and L meet the axes. Solution […]
Question Find the set of values of x for which a. b. Solution a. We are given; b. We are required to solve the inequality; We solve the following equation to find critical values of ; Now we have two options; Hence the critical points on the curve for the given condition are 6 & -2. Standard form […]