MCR3U1 Unit 2 Review 1. A solid is formed from a rectangular prism and a square-based pyramid as shown in the figure on the right. a) Find a fully expanded and simplified expression for the surface area of the solid. b) If x e N, find the smallest possible value of x. c) Find the surface area of the solid for the value of x in part (b). P..................... 3x - 5 2. Given the figure below. 9x2 -4 6x3 - 4x 2x -6 Find a fully simplified expression for the ratio of the perimeter to the area. 2x + 3 3. The lengths of the parallel sides of a trapezoid are given by the expressions 2x +3 and 4x-5 as shown in the figure on the right. If the area of the trapezoid is 6.x- +7x-3, find an expression for the height, h. Ax - 5 4. Given the figure on the right: a) Find a fully simplified expression for the ratio of the surface area to the volume. b) If the area is 150 cm, then find the volume? 5. Simplify and state restrictions. 4x3 +4x - 3 2x' - 3xy- 2y' 4x' + x-8xy-2y a) 2x' - 3y+3x - 2xy 2x - xy- yl 8x' + 2x* 2x - 1 2x - 1 x- 3 b) x -1 x-2x-3 2 6x + 3 x +x 2x3 + 3x+1