WickSponge

Wick Simmons

*   9/18/08 What is the Difference between an integer and a whole number? - a whole number is from 0 to up (not a decimal or fractional numbers) - a integer are whole numbers and their opposites (not decimal or fractional numbers)

*   9/22/08         Page 83 (65-68) 65.) 4.78d   (CORRCT) 66.) 5798p –9       (CORRECT) 67.) 63mz – m^2 + 4      (WONG PROBLEM)                                                                              -63.77t 68.) 1.5m - 12.5v  (CORRECT)

*       9/24/08

1.) - 5/9 (INCORRECT) >> -1/9 2.) -20 3.) _-5_ = 5 + -5 + 5 = 5 5.) 2(4) • (-3•-5)            (-3•-5) = 15             2(4) = 8                         >>>>> 8(15) = 120 6.)1 7.) -1.6 9.) 8x - 12 10.) 49t
 * 8.) T=temperature

*         9/25/08                    Pg. 91 (1-4) 1.) equivalent 2.) not equivalent 3.) not equivalent 4.) not equivalent

*         9/26/08 The Commutative property is when you can add or multiply #'s in any order and the sum or product will still be the same no matter what. The Associative property is when you are multiplying/adding numbers in parenthesis times/plus another number, you can put any of the numbers in the problem in the parenthesis and no matter what it will still equal the same sum/product.


 * 10/1/08

15.) 14k² — -2k² = 16k²

16.) 4xy + 9xy = 13xy

17.) 6t + 2 - 4t = 2t + 2

18.) 15/7 + -3/6 = 90/42 + -21/42                                                            = 69/42

1.) x — 5 = 14         14 + 5 = 19                           x = 19 2.) x + 3.8 =9 9 — 3.8 = 5.2 = x 3.) -7 + x = 7            7 — (-7) = 14 = x 4.) x + 13 = 20 20 - 13 = 7 = x 5.) x/4 = 8      4 * 8 = 32 = x 6.) 9 = 3x 9 / 3 = 3 = x 7.) 10x = 2        x = 5 8.) 2/3x = -6 9.) x + 2 3/4 = 6 1/2
 * 10/2/08

40.) 8 + c/-4 = -6                 c=56 X  41.) 7 — 3k = -14 -14 + 7 = -7             3(-7)                     = -21 = k                                            k = 7 X 42.) 14 = 6 — 2p              14 + 6 = 20                      20÷ 2 = 10                                    p = 10                                            p = -4 43.) -y=30
 * 10/3/08

√ 5.) 4x + 3 = -5       -5 — 3 = -8            -8 ÷ 4 = -2        -2 = x
 * 10/6/08

√ 6.) -x + 7 = 12      12 — 7 = 5             -1(x) = 5                    -1 * -5 = 5                            x = -5

√ 7.) 2t — 8t + 1 = 43         43 — 1 = 42         2t - 8t = -6t          -6t = 42            t = -7

X 8.) 0 = -7n + 4 — 5n     √   n = 1/3

#29.) XXXX  1/5 + 3w/15 = 4/5            w = 3