Warm up Find an expression for the area of the following figures: a) b) Challenge Find an expression for the area of this Lshaped room in a house. x 26 x 2 Challenge Find an expression for the volume of the cylinder: ( x x 8 x 12) 3 2 Polynomial Ops Q1 of 20 Subtract: (3 x 5 x 7) (2 x 8 x 9) 2 2 Polynomial Ops Q2 of 20 Multiply: ( x 4)( x 2) Polynomial Ops Q3 of 20 Multiply: ( x 9)( x 9) Polynomial Ops Q4 of 20 Multiply: (2 x 5)( x 3) Polynomial Ops Q5 of 20 Multiply: (3x 4)(3 x 4) Polynomial Ops Q6 of 20 Multiply: 2 x (3 x 5 x 2) 2 2 Polynomial Ops Q7 of 20 Multiply: 3x( x 2)( x 6) Polynomial Ops Q8 of 20 Multiply: ( x 6) 2 Polynomial Ops Find the Perimeter: Q9 of 20 Polynomial Ops Q10 of 20 Write an expression for the area: Polynomial Ops Q11 of 20 Write an expression for the volume of the cube: Polynomial Ops Q12 of 20 4 corners are to be cut from a piece of wood as shown. Write an expression for the remaining area. Polynomial Ops Q13 of 20 Write an expression for the total area of the youth club below. Polynomial Ops Q14 of 20 Write an expression for the volume of the box: Polynomial Ops Q15 of 20 Write an expression for the volume of the gift box: Polynomial Ops Find the area of the label. Q16 of 20 Polynomial Ops Q17 of 20 Find the area of the envelope not covered by the label. Polynomial Ops Q18 of 20 A rectangular photograph is mounted on a square piece of cardboard whose sides have length x. The border that surrounds the photo is 3 in. on each side and 4 in. on both top and bottom. Write an expression for the area of the photograph. Polynomial Ops Q19 of 20 A rectangular garden has a walk around it of width x. The garden is 20 ft by 15 ft. Find an expression representing the combined area A of the garden and walk. Polynomial Ops Find the area of the triangle. Q20 of 20 Homework Area and Volume Problems Worksheet MATHO Answers 1. x2 + 13x - 16 3. x2 – 81 5. 9x2 + 24x + 16 7. 3x3 + 12x2 – 36x 9. 50x + 11 11. x3 + 3x2 + 3x + 1 13. x2 + 3x + 2 15. 2x3 + 2x2 – 24x 17. 23x2 + 37x + 8 19. 4x2 + 70x + 300 2. x2 + 2x - 8 4. 2x2 - x - 15 6. 6x4 - 10x3 + 4x2 8. x2 + 12x + 36 10. 2x2 + 12x + 18 12. 432 – 4x2 14. x3 + 2x2 – 3x 16. x2 + 7x + 12 18. x2 - 14x + 48 20. x2 – 9 Extra Answers: x2 +36, x2 + x – 81 x2 – 3x + 2, x2 +3, x2 – 7x + 12