Answers to Review Sheets

Good evening all,

Here are the answers to your review sheet for your quiz tomorrow. Remember that these answers are a way for you to check your work, and not for you to just copy. If you do not have all of the necessary work for each problem, you will not receive credit.

Pre-Algebra (Period 3 & 4):

1.) x = -15
2.) y = 6
3.) x = 9
4.) x = 5 hours
5.) -12
6.) -10
7.) -11 degrees
8.) 11/12
9.) -7/10
10.) 3 and 3/4, so you will need 4 pizzas.
11.)0.35, 7/20
12.) =
13.) -23
14.) 106
15.) No because the ratios are not equivalent
16.) x = 120 feet


Algebra (Period 1 & 5):
1.) 1 and 9/20
2.) a. +13, -13; b. +15, -15
3.) 1, 4, 36, 49, 81, 100, 400, 900; Explanations will vary.
4.) a. x = 24 b. x = -1 c. x = 3
5.) x = 7
6.) x = 3 months
7.) a. 2 and 1/4 b. -5
8.) a. 13 and 2/3 feet b. 7 and 1/3 square feet
9.) a. - 12 b. -2
10.) 5/9
11.) 8x - 20
12.) -6x - 2
13.) -7x - 21
14.) No
15.) c = 8.9 cm
16.) c =16.97 or about 17
17.)J': (-5, 1), E': (-3, -2), M': (1, 1) T': (-2, 2)
18.) J': (-3, 2) E': (-1, 5) M': (3, 2) T': (0, 1)