## Friday, September 12, 2008

Today in class Dr.Eviator gave us Exercise 2: Factoring Review (Common, Simple Trinomial) questions 1-20. DO NOT do questions 14 and 18. If you weren't in class today and you forgot your textbook in your locker here are the questions: .

Exercise 2: Factoring Review (Common, Simple Trinomial)

1. a. 12m-2p
b. a - ar³y

2. a. 2a² - 12ab +ac
b. 6x² - 18z^6y - 6ax³z

3. a. 3r² - 15rh
b. 4n³ - 4n²

4. a. 3
2xy + 4x³y
b.3mn + 6n²m²

5. a. x² - 7x + 12
b. x² - 10x - 24

6. a. x² + 25 + 24
b. x² - 4x - 12

7. a. x² + x - 72
b. c
² - 4c - 12

8. a. 4 - 5c + c
²
b. x
² - x - 6

9. If x = -3 and y = 4, find the valube of

a. 2x + 3y - xy b. x
²y + xy
²

10. Solve the equation: 3 - 2(x+1) = 5x + 4

11. Solve the equation: x/2 + 1 = x/3

12. Simplify the following expressions:

a. (3x
)³
b. (4x
²y)(3xy²)
c. 16x
²y/ 4xy

13. If AB
= 6 and BC = 10, find

a. the length of AC

b. the measure of angle B accurate

to the nearest degree

15. Find the Value of x to two decimal places.

16. Simplify: 3(x + 2) - 2(x + 3)

17. Simplify: (x + 2)(x + 1) - x(x + 3)

19. Simplify: 2[2x - (3 - x)]

20. The side of a square is (x + 4) cm. Find an algebraic expression for its area.

These questions are all due for Monday. Try to do all the questions. And the next scribe is....

LEVINIA!!!