ZachSponge

Zach waldron

9/17/08 A whole number is all numbers zero- Infinity, not decimals or fractions. An integer is every number and it's opposite.

09/23/08 pg. 83 (65-68)

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

09/24/08 pg. 85 (1-3, 5-10)

1) -1/9      2) -20       3) 5       5) 120       6) 1       7) -1.6       8) -5+18=13      9) 8x-12      10) 49

09/25/08 pg. 91 (1-4)

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

09/26/08

The Associative Property means that it does not matter what numbers you add or multiply together first you will get the same answer. The Commutative Property means you can switch the numbers around and get the same answer.

10/1/08

15) 16k²      16) 13xy       17) 2t+2       18) 12x-4

1) 1 27/42

10/02/08

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= 3 3/4