alexandrasponge

Alexandra Juneau

9/17/08 A whole number is any positive number from 1 to infinity, not including decimals and fractions. An integer is a whole number and its opposite.

9/23/08 pg. 83 (65-68)

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

9/24/08 pg. 85 (1-3, 5-10)

1. -1/9      2.-20      3. 5      5. 120       6. 1     7. -1.6      8. n= the temp change  -5+n    -5+13= 8            9. 8x-12        10. 49t

9/25/08 pg. 91 (1-4)

1. yes  2. no    3. no   4. no

9/26/08 The Associative Property says it doesn't matter where the parenthesis go, you will still get the same answer. (a+b)+c=a+(b+c) or (a*b)*c=a*(b*c) The Commutative Property says it doesn't matter the order of an addition or multiplication problem, the answer will be the same. a+b=b+a or a*b=b*a

10/1/08 pg 116 (15-18)

15. 16k²     16. 13xy     17. 2t+2      18. 12x-4      1. 23/14

10/2/08 pg. 119 (1-9)

1. x=19       2. x=5.2     3. x=14      4. x=33       5. x=32     6. x=3       7. x=1/5     8. x=-9        9. x=15/4

10/3/08 pg 122 (40-43)

40. c=56         41. k=7         42. p=-4       43. y=30

10/6/08 pg 134 (5-8)

5. x=-2      6. x=-5          7. t=-7           8. n=1/3

pg 129 (29)

29. w=3