题目
题型:上海难度:来源:
答案
∴b=
25-9 |
根据顶点坐标可知焦点在x轴,
∴双曲线的方程为
x2 |
9 |
y2 |
16 |
故答案为:
x2 |
9 |
y2 |
16 |
核心考点
举一反三
x2 |
9 |
y2 |
4 |
| ||
2 |
(1)与双曲线
x2 |
9 |
y2 |
16 |
3 |
(2)与双曲线
x2 |
16 |
y2 |
4 |
2 |
| ||
2 |
y2 |
16 |
x2 |
9 |
3 |
25-9 |
x2 |
9 |
y2 |
16 |
x2 |
9 |
y2 |
16 |
x2 |
9 |
y2 |
4 |
| ||
2 |
x2 |
9 |
y2 |
16 |
3 |
x2 |
16 |
y2 |
4 |
2 |
| ||
2 |
y2 |
16 |
x2 |
9 |
3 |