Solve for  x  and  y  in:                      (3mks)

Without using a calculator or mathematical tables, work out         (4mks)

Each interior angle of a regular polygon is 120⁰ larger than the exterior angle. How many sides has the polygon?   (3mks)

   (a) find the inverse of the matrix                                  (1mk)

   (b) Hence solve the simultaneous equation using the matrix method                      (2mks)

A farmer has a piece of land measuring 840m by 396m. He divides it into square plots of equal size. Find the maximum area of one plot.                                                 (3mks)

   Solve for x in the equation                              (3mks)

 The volume of two similar solid spheres are 4752cm³ and 1408cm³. If  the surface area of the small sphere is 352cm², find the surface area of the larger sphere.         (3mks)

The mean of five numbers is 20. The mean of the first three numbers is 16. The fifth number is greater than the fourth by 8. Find the fifth number.            (3mks)

Solve the inequalities below , hence represent the solution on a number line.   (3mks)

 Show that the points P(3 , 4), Q(4 , 3) and R(1 , 6) are collinear.                    (3mks)