MaryPriceSponge

Mary Price Chestnutt

9/18/08- The difference between an integer and a whole number is that a whole number is that a whole number is a number greater than zero that is not a fraction. For example, 2. An integer is a whole number and its opposite. -2 is an integer of 2.

9/22/08- 65. 4.78d                           check 66. -20p-76p^2-9          check 67. 6.1t^2+13.7t              check 68. 1.5m-12.5v                check

9/24/08- 1. -1/9 2. -20 3. 5

5. 120 6. -1 7. -1.6 8. temperature = t and e = end temperature t + 13 end temp = 8 degrees celcius 9. 24 x 1/3 + 36 x 1/3 24a x 8x-12 10. 49t

9/25/08 91 1-4 1.-(y-4) and 4-y yes 2. no 3. no 4. no

9/26/08 1. The associative property is applicable for multiplication and addition. It states that (a x or + b)+ or x c is equal to a+ or x(b+or x c). The commutative property states that you can move the numbers or variables around in the problem and it will still have the same answer.

10/1/08- 15. 16k² 16. 13xy 17. 2-2t 18. -4+12x 19. 69/42

10-2-08 page 119 1-9 check skills 1. x-5=14 x-5+5=14+5 x=19 19-5=14 14=14

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

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

4. x-13=20 x-13+13=20=13 x=33 33-13=20 20=20

5. x/4=8 x/4*4=8*4 x=32 32/4=8 8=8

6. 9=3x 9/3=3x/3 x=3 3 * 3=9 9=9

7. 10x=2 10x/10=2/10 x=1/5 10*1/5=2 2=2

8. 2/3x=-6 2/3x/2/3=6/2/3 x=-1 2/3*-1=-6 -6=-6                    wrong

9. x+2 3/4=6 1/2 2 3/4=x-23/4= 6 1/2-2 3/4 x=15/4 6 1/2 =6 1/2 10-3-08 pg 122 40-43

40. -6-8=-14 c=56
 * -4

41. 7-3k=-14 -7/3=-7/3 k=-7/3  WRONG

42.14=6-2p 14+6=20 20/2 p=10 WRONG

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