x |
4 |
y |
3 |
x2 |
16 |
y2 |
9 |
A.1 | B.2 | C.3 | D.4 |
1 |
2 |
24 |
5 |
x2 |
16 |
y2 |
9 |
x |
4 |
y |
3 |
2 |
2 |
x |
4 |
y |
3 |
2 |
x |
4 |
y |
3 |
2 |
x |
4 |
y |
3 |
2 |
|
| ||||||
|
12(
| ||
5 |
24 |
5 |
x |
4 |
y |
3 |
2 |
|-
| ||||||
|
12(
| ||
5 |
24 |
5 |
x2 |
3-k |
y2 |
k |
x2 |
5 |
y2 |
2 |
A.不同的顶点 | B.不同的准线 |
C.相同的焦点 | D.相同的离心率 |
x2 |
2 |
x2 |
2 |
A.①③ | B.②④ | C.①②③ | D.②③④ |
OM |
OA |
OB |
x2 |
4 |
y2 |
a |
A.±
| B.
| C.
| D.
|
x2 |
16 |
y2 |
9 |
A.(
| B.(
| C.(4,0) | D.(
|
© 2017-2019 超级试练试题库,All Rights Reserved.