High School Mathematics Contest
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2005
> Open Session Answers
2005 Open Session Answers
Multiple Choice Problems
1.
A
6.
B
11.
B
2.
E
7.
B
12.
D
3.
C
8.
B
13.
E
4.
C
9.
E
5.
D
10.
A
Exact Answer Problems
14
. a = 6, b = 2
18.
-4/3
22.
1, 1, 2, 7
15
. -1 < x < 0, x > 1
19. 1/2
23.
2/3
16.
15°
20.
or
17.
x = -24, y = -64
21.
x = 1/2, y = -1
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Contest e-mail:
Contest web-page:
Jacek Cygan, phone: (225) 578-1565
contest@math.lsu.edu
www.math.lsu.edu/~contest
Department of Mathematics
Lockett Hall · Baton Rouge, LA 70808
Telephone: +1.225.578.1665 · Fax: +1.225.578.4276 · Email:
dept@math.lsu.edu
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