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【免费下载】25-26学年同步培优讲义第2课时 双曲线的标准方程及性质的应用(学生版课时跟踪检测

  • 2026-04-09 08:50:22
【免费下载】25-26学年同步培优讲义第2课时 双曲线的标准方程及性质的应用(学生版课时跟踪检测

2课时双曲线的标准方程及性质的应用

1.直线与双曲线有唯一公共点直线与双曲线相切

A.充分不必要条件

B.必要不充分条件

C.充要条件

D.既不充分也不必要条件

2.2024·周口月考直线yx1被双曲线2x2y23所截得的弦的中点坐标是

A.1,2B.(-2,-1

C.(-1,-2D.2,1

3.已知F是双曲线Cx21的右焦点,PC上一点,且PFx轴垂直,点A的坐标是1,3),APF的面积为

A.B.

C.D.

4.已知等轴双曲线的中心在坐标原点,焦点在x轴上,与直线yx交于A,B两点,若AB2

A.x2y26B.x2y29

C.x2y216D.x2y225

5.多选双曲线的标准方程为x21,则下列说法正确的是

A.该曲线两顶点的距离为2

B.该曲线与双曲线y21有相同的渐近线

C.该曲线上的点到右焦点的距离的最小值为1

D.该曲线与直线lyx2有且仅有一个公共点

6.多选2024·湖州月考已知平面上两点M(-5,0N5,0),若直线上存在点P使PMPN6,则称该直线为单曲型直线.下列直线中是单曲型直线的有

A.3yx1B.y2

C.yxD.y2x1

7.若双曲线1a0,b0与直线y2x无交点,则离心率e的取值范围是.

8.已知直线lxym0与双曲线x21交于不同的两点A,B,若线段AB的中点在圆x2y25上,则实数m.

9.设动点M到定点F3,0的距离与它到直线lx的距离之比为M的轨迹方程为.

10.双曲线的两条渐近线的方程为y=±x,且经过点3,-2.

1求双曲线的方程

2过双曲线的右焦点F且倾斜角为60°的直线交双曲线于A,B两点,求AB|.

11.2024·扬州月考若直线ykx与双曲线x2y21的两支各有一个交点,则实数k的取值范围是

A.(-1,0B.0,1

C.(-1,1D.1,+∞)

12.过双曲线x21的右焦点F作直线l,交双曲线于A,B两点,若AB4,则这样的直线l

A.1B.2

C.3D.4

13.过双曲线C1a0,b0的右焦点作一条与其渐近线平行的直线,交C于点P.若点P的横坐标为2a,则C的离心率为.

14.2024·漳州月考已知双曲线C的焦点在x轴上,其渐近线方程为y=±x,实轴长为2.

1求双曲线C的标准方程

2过点P0,1的直线与双曲线C的左、右两支各交于一点,求该直线斜率的取值范围.

15.已知点A3,1),双曲线x21,F为双曲线的右焦点,P是双曲线右支上的动点,则2|PAPF的最小值为    ,此时点P的坐标为.

16.2024·郑州月考祖暅,祖冲之之子,是我国南宋时期的数学家.他提出了体积计算原理祖暅原理):幂势既同,则积不容异.意思是如果两等高的几何体在同高处截得两几何体的截面积总相等,那么这两个几何体的体积相等.已知双曲线C的焦点在y轴上,离心率为.

1求双曲线的标准方程

2若直线x0,x1在第一象限内与C及其渐近线围成如图阴影部分所示的图形,求阴影图形绕x轴旋转一周所得几何体的体积.

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  1. CONNECT:[ UseTime:0.000823s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000702s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.009477s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000308s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000604s ]
  6. SELECT * FROM `set` [ RunTime:0.000252s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000558s ]
  8. SELECT * FROM `article` WHERE `id` = 461284 LIMIT 1 [ RunTime:0.003036s ]
  9. UPDATE `article` SET `lasttime` = 1777190250 WHERE `id` = 461284 [ RunTime:0.006957s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000286s ]
  11. SELECT * FROM `article` WHERE `id` < 461284 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001964s ]
  12. SELECT * FROM `article` WHERE `id` > 461284 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003720s ]
  13. SELECT * FROM `article` WHERE `id` < 461284 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.005060s ]
  14. SELECT * FROM `article` WHERE `id` < 461284 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002295s ]
  15. SELECT * FROM `article` WHERE `id` < 461284 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.005418s ]
0.116125s