| Due Date: | 5:30 PM on 5/22/03 | |
| Simplify the following expressions: | Answers | |
| Problem # 1 | 5a - 6ab + 5a + 2b | 10a-6ab+2b |
| Problem # 2 | (x - 2a)-(3a - x) | 2x-5a |
| Problem # 3 | (x - 2a)3 | x3-6x2a+12xa2-8a3 |
| Problem # 4 | (93)-1/2 | 1/27 |
| Problem # 5 | | (-27)-3 | | 1/273 or 1/19683 |
Solve the following: |
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| Problem # 6 | Solve the following equation:
x2 - 4x + 4 = 0 |
x=2 (one root only) |
| Problem # 7 | Solve these simultaneous equations using the addition or substitution method x - 3y + 5 = 0 2x + 5y = 12 |
x=1
y=2 |
| Problem # 8 | Find the inverse of the following matrix:
2 3 -1 4 |
4/11 -3/11 1/11 2/11 |