1. W ARM U P S EPT. 6 TH Factor: 1. x 2 – 4 x + 6 x – 24 2. 2x 2 y + 2xy – 40y 3. 25w 2 + 30w + 9 4. 8y 3 – 64

2. W ORD P ROBLEMS September 6 th

3. W ORD P ROBLEM #1 A triangle has 3 sides with lengths 8x + 6, 5x – 5, and -6x + 12. What is the perimeter of the triangle?  7x + 13

4. W ORD P ROBLEM #2 The dimensions of a window are 3x + 10 and 2x + 6. What is the area of the window?  6x 2 +38x + 60

5. W ORD P ROBLEM #3 Find the area of the figure below.  x 2 + 19x + 60 15x x 4

6. W ORD P ROBLEM #4 Find the area of the figure below.  2x 2 + 14x + 24 8 2x x 3

7. W ORD P ROBLEM #6 The cost of a video game can be modeled by the equation C = 3x + 2. The number of games sold can be modeled by the equation N = 8x – 7. Write a model for the revenue from the sale of the games.  R = 24x 2 – 5x – 14

8. W ORD P ROBLEM #7 A box shaped like a rectangular prism has a volume of 280 in. 3. Its dimensions are 4 in by (n + 2)in. by (n + 5)in. Find n.  n = 5 & -12

9. W ORD P ROBLEM #8 You are constructing a frame for the rectangular photo shown. You want the frame to be the same width all the way around and total area of the frame and the photo to be 315 in. 2. What should the outer dimensions of the frame be?  2 in

10. W ORD P ROBLEM #9 The number of cars sold in 2010 can be modeled by the expression x 3 + 7x 2 – x + 4. In 2000, the number of cars sold can be modeled by the expression 4x 2 + 3x + 2. Find an expression that modeled how many more cars were sold in 2010 than in 2000.  x 3 + 3x 2 – 4x + 2

11. W ORD P ROBLEM #10 A rectangle has an area of 7x² + 11x + 4 Find each of the side lengths & its perimeter.  Side Lengths = (7x + 4) and (x + 1)  Perimeter = 16x + 10

12. W ORD P ROBLEM #11 When 2r 2 + 33r – 54 and r 2 + 18r are factored, a common factor is what?  (r + 18)

13. W ORD P ROBLEM #12 If x + 3 is a factor of x 2 – 4x – w, then what is the value of w?  x – 7

14. H OMEWORK Worksheet COMPLETE WORK ON A SEPARATE SHEET OF PAPER Staple when you turn in! Thank you!