Homework Wednesday, 5/9

Pre-Algebra: None.

Algebra: Review Worksheet for your quiz tomorrow.  Here are the answers, email me if I made any mistakes.
1. Yes
2. Yes
3. No
4. k(7) = 24
5. u(-1) = -7
6. 2 + root 2 and 2 - root 2 (approx. 3.414 & 0.586)
7. 6.5
8. -12.6
9. Two places: (2, -1) and (4, 3)
10. Vertex at (3, 0), opens up, sides have slope of 1/6 and -1/6
11. Vertex at (0, 4), opens up, sides have slope 1 and -1
12a. Either f = 3.2h or h = 0.3125f.  Variations are possible if you used fractions, different variables, etc.
12b. The answer comes out to 19.2, so around 19 or 20 fish.
12c. 9.375 hours
12d. Look it up yourself.
13a. xy = 4500, or y = 4500 / x, etc.
13b. 281.25 lb
13c. 23 people (the answer comes out to 22.5, so you need that 23rd person)
13d. 4500 lb