Grade 9 Mathematics ~ Polynomials
Grade 9 Math Final
Unit 5 - Polynomials
Name:_____________________
11. Here is Ms. McLellan’s solution for the following question. Identify the errors in her answer by circling the mistake and then write the correct solution.
[pic]
12. Find the area of the shaded region.
13. The area of a rectangular deck is given by the polynomial 40p2 + 24p.
The deck is 8p metres wide.
a) Write a polynomial to represent the length of the deck.
b) Determine the length, width and area of the deck when p = 4m.
Model the following, be sure to define your positive and negative tiles:
14. 2x (4x + 3) 15. 3x(-5x - 2x)
16. (8x2 – 4x) 2x 17. (-6x2 + 12x) 3x
Go back and carefully check your work, have you shaded in tiles that need to be shaded? Are your signs correct? Did you select the correct multiple choice answer?
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