KathrynSponge

Kathryn Bernardini


 * Monday** -9-22-08 (pg 21 and 22)

21. |-7+8| + |-9|= G

22. A. h= 15w


 * Tuesday**- 9-23-08 (pg 83)

65. 4.78d + 0d= 4.78d

66. -21p - 76p^2 - 9 + p= -21p - 76p^2 - 10= -20p - 76p^2

67. 3.3t^2 + 8.7t - 9.4t^2 + 5t 3.3t^2 + 13.7t - 9.4t^2= -6.1t^2 + 13.7t

68. 1.5m - 4.2m - 12.5v + 4.2m -2.7m - 12.5v + 4.2m= 1.5m - 12.5v


 * Wednesday** - 9-24-08 (pg 85)

1. (-1/3) + 2/9 = -3/9 + 2/9 = -1/9 2. -3 + (-17) = - 20 3. |-5| + (-5) + 5 = 5

5. 120 6. 1 7.-1.6 8. T is temperature change expression is -5 + t = 8 degrees f 9. 8x - 12 10. 49t


 * Thursday** - No class!

1. Yes 2.No 3. No 4. No
 * Friday** -9-26-08 (pg. 94)

**Monday**- 9-29-08

Associative Property of Addition and Multiplication is the movement of parenthesis. Commutative Property of Addition and Multiplication is adding or multiplying #'s in any order to produce the same answer.


 * Tuesday** - 9-30-08

No Sponge. Test


 * Wednesday**- 10-1-08 (pg. 116)

15. 14k² - (-2)k²= 16k² 16. 4xy + 9xy= 13xy 17. 6t + 2t - 4= 2t + 2 18. 9x - 4 + 3x= 8x

No Class
 * Thursday**- 10-2-08

1. x - 5 = 14 x - 5+5= 14+5=19 x= 19 - 5 = 14
 * Friday**- 10-3-08

2. x + 3.8= 9 x + 3.8-3.8 = 9-3.8 x= 5.2 + 3.8 = 9

3.-7 + x = 7 -7 - 7 + x = 7 - (-7) =14 x=14

4. x - 13 = 20 x - 13 +13 = 20 + 13 = 32 x=32 5. x/4 = 8

6. 9= 3x x=3

7. 10x = 2 x= 1/5

8. 2/3x= -6 x=-9

9. x + 2(3/4) = 6(1/2) x= 3 (3/4)

40. 8 + (c/-4)= -6 8-8+(c/-4)= -6 - 8= 14 (c/-4)*-4=14*-4= 56 c=56
 * Monday**-10-6-08

41. 7-3k= -14 7 + 7- 3k= -14 + 7 = -7 -3k/-3 = -21/-3 k=7

42. 6 - 2p = 14 6 + 6 -2p = 14 - 6= 8 -2p/-2 = 8/-2 p=-4

43. -y/2 + 14 = -1 -y/2 + 14-14 = -1 - 14 -y/2*2= -15*2 -y=-30 y=30