March 2004
Beginner
504 pages
9h 2m
English
| 1. | b = 18 |
| 2. | No |
| 3. | 130 |
| 4. | |
| 5. | (90,105) |
| 6. | (60,85,25) |
| 1. | (4,7) |
| 2. | (1,5) |
| 3. | (–3,2) |
| 4. | (–12,0) |
| 5. | (–1,0) |
| 6. | The answer is shown in Figure 2.17.
Figure 2.17. y = 10(x–1)2 + 3.
|
| 7. | The answer is shown in Figure 2.18.
Figure 2.18. x = y2–2.
|
| 1. | center = (30,10), radius = 20 |
| 2. | center = (–20,90), radius = 10 |
| 3. | center = (–50,0), radius = 25 |
| 4. | (x–40)2 + (y+25)2 = 900 |
| 5. | x2 + y2 = 225 |
| 6. | (x+10)2 + (y–40)2 = 1000 ... |
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