List of Formulae and Statistical Tables. Cambridge Pre-U Mathematics () and. Further Mathematics () For use from in all papers for the above syllabuses. CST Wide Variety Of Coupons · Find Deals at Our site · Send A Message · Dive into Discounts. Let k be a nonnegative number. Then the solutions to the equation. are given by x = p k. This graph is a circle with radius r and center (h; k). This graph is an ellipse with center (h; k) with .