1. Algebra 1(A/B) Mr. Valdez Fall 2012

2. Class Schedule  Class Announcements  Quiz 2.5-2.6 today!  Chapter 2 Test on Monday, October 1 st  Warm-Up  Homework Check/Questions  Color Card Review  Lesson Recap  Quiz 2.5-2.6

3. Warm-Up 1) Simplify: (-8) 2 (-a)(-a) 2) Distribute: -2(x – 10) – 5 + 3x 3) Find the product: -(-9)(-1)(-2) 2 64a 2 x + 15 -36

4. Color Card Activity on your worksheet  Work on the problem that is posted. Copy the problem down on your worksheet, and show your work.  When you are asked to do so, raise the card that corresponds to your answer.  Do not play with, bend, write on, or rip the cards!

5. 1) Find the product. (-10)(4) Green: 14 Blue: -6 Orange: 40 Yellow: -40

6. 2) Find the product. (-12)(-3) Green: -15 Blue: 36 Orange: -36 Yellow: -9

7. 3) Find the product. (-1)(-3)(4) Green: 12 Blue: -8 Orange: -12 Yellow: 6

8. 4) Find the product. (-2)(x)(-1)(5) Green: -9x Blue: 10x Orange: -10x Yellow: -15x

9. 5) Simplify the variable expressions. -2(-b) 2 Green: -2b Blue: 4b Orange: 2b 2 Yellow: -2b 2

10. 6) Simplify the variable expressions. (-3) 2 (x)(x) Green: -9x 2 Blue: 9x 2 Orange: -6x 2 Yellow: -x

11. 7) Simplify the variable expressions. (12)(c)(c)(-c) Green: 12c 3 Blue: -6c 2 Orange: -12c 3 Yellow: -12c 2

12. 8) Apply the distributive property and simplify. 3(2k – 1) Green: 6k - 1 Blue: -6k - 3 Orange: 5k + 2 Yellow: 6k - 3

13. 9) Apply the distributive property and simplify. (-4x – 1)(-2)+2 Green: 8x + 6 Blue: 8x + 4 Orange: 6x - 1 Yellow: -8x + 4

14. 10) Apply the distributive property and simplify. (6x – 2)(-3) + 4x Green: -14x - 6 Blue: -18x + 6 Orange: -14x + 6 Yellow: 16x - 3

15. 11) Combine like terms. -6 + 4y + 2 - y Green: 3y - 4 Blue: 6y - 4 Orange: 10y - 2 Yellow: 5y + 4

16. 12) Combine like terms. 2c 2 + 3c – 5c 2 - 2 Green: 6c 3 - 2 Blue: -3c 2 + 3c - 2 Orange: 4c 2 + 3c - 2 Yellow: -6c 2 - 2

17. Final Review 1) Simplify the product. 2) Which property of multiplication is shown below? 3) What is the value of the expression when x = 3? a) 72w 2 b) 36w 3 c) -36w 3 d) -72w 3 e) -72w 2 a)Commutative b) Identity c) Associative d) Distributive e) Inverse a) 8 b) 10 c) 12 d) 14 e) 16

18. Final Review  Multiplication rules  Even # of negatives  answer is positive  Odd # of negatives  answer is negative  Use exponents when there are more than one of the same variable being multiplied together  Combine like terms  Must have same variables with same exponents to add/subtract  Distributive Property  Be careful with negative signs  Distribute to every term inside of the parenthesis

19. Quiz Time  Clear your desks of everything except for a pencil  You may use a multiplication table  You must remain quiet until all quizzes have been turned in