1. September 17, 2012
Objective: Review for test
Agenda
1. Warm up
2. Check homework
3. Review
Warm Up
A jar contains 40 coins consisting of dimes and
quarters and having a total value of $4.90. How
many are there of each coin?

2. September 17, 2012
3.1 p 129 3.3 p 143
36. 5 adults 33. 25 minutes swimming
10 students 35 minutes skating
37. 35 balloons 34. 50 adults
10 lanterns 75 students
3.2 p 136 35. 13 bird feeders
4 birdhouses
32. x - y = 50
3.25x + 3.25y = 1040
36. 4 packs of 10 CD's
2 1 pack of 5 CD's
33. 185 ft 2
135 ft
34. 3.5 lb of turkey
4.5 lb of ham

3. September 17, 2012
Objective: Review for Test
Agenda
1. Check Review
2. Ask Questions
3. New Review

4. September 17, 2012
Ans Key Review
1. 0 = 6 or 0 = -6 parallel; no solution
2. 0 = 0 coinciding; inf. many solutions
3. (.6, -2.2) or (3/5, -11/5)
4. (1, -4)
10. y = -1x + 13
2 2
5. (3, 7) 11. y = -2x + 7
6. (8, -2) 12. plot points - negative correlation
13. y = 3x + 1
7. $8 per guest
2
$100 fixed cost 14. 10x - y = -14
8. 575 students 15. y = -x - 2
9. y = -8x - 62 16. 16
17. (0, -2/3) (2, 0)

5. September 17, 2012