CarsonSponge

Carson McDearis

9/18/08- An whole number is like 1,2,3,4, and 5 and it doesn't have any negatives but an integer is a number and its opposite and can go either way on a number line.

9/22/08- 21. -7 + 8= 1 + 9= 10,  22. A

9/23/08- (65. 4.78d + 0d= 4.78d,)  (66. -20p - 76p² - 9,)   (67. 3.3t² + 8.7t - 9.4t² + 5t= -6.1t² + 13.7t,)   (68. 1.5m - 4.2m - 12.5v + 4.2m= 1.5m - 12.5v)

9/25/08-  pg. 85 1-3, 5-10  **1.** (-1/9),   **2.** -20,   **3.** 5,   **5.** 120,   **6.** 1,   **7.** 32 ÷ -20= -1.6,   **8.** -5+n or n=change in temp. n=18˚F,    **9.** 24/3x - 36/3,   **10.** 49t

9/26/08- pg. 91 (1-4) 1. yes,  2. no, 3. no, 4. no

9/29/08- Summarize the Associative and the Commutative properties - Associative Property- It is the property where it's like it switches around like (4+5)+7=4+(5+7). Moves parenthesis to regroup numbers in plus or multi problems to produce the same answer. Commutative- It is the property where both things on the opposite side of the equals sign are equal to the other side like 1+2=2+1. To change the order of the numbers in addition and multi expressions to produce the same answer.

10/2/08- pg. 116 (15-18)- 15. 16k²,    16. 13xy,   17. 2t + 2,    18. 12x - 4, Q- 15/7 + (-3/6)= 69/42 or 23/14

10/3/08- pg. 119 (1-9)- 1. x=9 subtraction,  2. x=5.2 addition,  3. x=14 addition,  4. x=33 subtraction,  5. x=32 division,  6. x=3 multiplication,  7. x=.2,  8. x=-12/3,  9. x=3 3/4

10/6/08- pg 122 (40-43)- c= -56 8 + 56/4= -6,   41. k= 7, 7 - 3 • 21= -14,   42. 14= 6 - 2p, p= -4,  43. -y/2 + 14= -1, y= 30

10/8/08-No Class

10/9/08-Not Here

10/10/08- pg 136 1-8- x=3, y= 5, k= 7, m= 3, x= 3, n=, a= , b= ,