1 |
2 |
3 |
2 |
5 |
2 |
7 |
2 |
9 |
2 |
得到相应的y=-
9 |
2 |
7 |
2 |
5 |
2 |
3 |
2 |
1 |
2 |
P,Q两点在同一反比例函数图象上的情况有:(
1 |
2 |
9 |
2 |
9 |
2 |
1 |
2 |
(
3 |
2 |
7 |
2 |
7 |
2 |
3 |
2 |
P(两点在同一反比例函数图象上)=
8 |
90 |
4 |
45 |
故选B.
1 |
2 |
3 |
2 |
5 |
2 |
7 |
2 |
9 |
2 |
1 |
9 |
4 |
45 |
7 |
45 |
2 |
5 |
1 |
2 |
3 |
2 |
5 |
2 |
7 |
2 |
9 |
2 |
9 |
2 |
7 |
2 |
5 |
2 |
3 |
2 |
1 |
2 |
1 |
2 |
9 |
2 |
9 |
2 |
1 |
2 |
3 |
2 |
7 |
2 |
7 |
2 |
3 |
2 |
8 |
90 |
4 |
45 |