已知中心在原点的双曲线C的右焦点为
,实轴长为
.
(1)求双曲线C的方程;
(2)若直线
与双曲线C左支交于A、B两点,求k的取值范围;
(3)在(2)的条件下,线段AB的垂直平分线l0与y轴交于
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(1)求双曲线C的方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffecff6a416ff88fa84767c40919f1b8.png)
(3)在(2)的条件下,线段AB的垂直平分线l0与y轴交于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3ae131d30e5b61234cec1533510818.png)
2011·山东济宁·一模 查看更多[3]
(已下线)2012届山东省曲阜一中高三第一次摸底考试理科数学(已下线)专题9.6 双曲线(练)【理】-《2020年高考一轮复习讲练测》(已下线)专题42双曲线-2022年(新高考)数学高频考点+重点题型
更新时间:2016-12-01 01:05:23
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【推荐1】已知双曲线
:
(
,
)的离心率
,其焦点
到渐近线的距离为
.
(1)求双曲线的方程;
(2)若过点
的直线
交双曲线于
,
两点,且以
为直径的圆过坐标原点
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b26461529321c5e669bdf3c489c5d74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20322427c27ded67b398aa388dd7b9e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)求双曲线的方程;
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429187525cc3ae7ff207de21de160c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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【推荐2】已知双曲线
的左、右焦点分别为
,
,渐近线方程是
,点
,且
的面积为6.
(1)求双曲线C的标准方程;
(2)直线
与双曲线C交于不同的两点P,Q,若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c56a13342f8c88050c38be89f035054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/578faa3e92d60d4741a360898e46ce61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cfd997d3b66a3b8f7731b26f0ab0c8.png)
(1)求双曲线C的标准方程;
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23da08164a7f05017a74e7605ede9d88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33091c6dcc5e3c822fa3242c9437aee.png)
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【推荐1】已知双曲线的方程
:
,直线
与双曲线的两支交于
,直线
与双曲线的两支交于
.
(1)若双曲线焦距为4,求能使
时
的取值范围.
(2)在(1)的条件下,若双曲线的离心率为
时,求四边形
的面积最小值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9661f922ba80f0b26782ce7b176ec8bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5d27c081879b6c6bc0abb0ceedb9d3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80982c92734079de9d62bcf9511f1889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e5c154445ca71ee9d4fb29a98b8965d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc96ce462f6a456c6993588e8edb0af2.png)
(1)若双曲线焦距为4,求能使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)在(1)的条件下,若双曲线的离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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【推荐2】双曲线
的一条渐近线方程为
且焦距为
,点
,过
的直线
与双曲线
交于
,
两点
(1)求双曲线
的方程
(2)若
,
两点均在
轴左侧,求直线
的斜率
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb80cfa75e2b67078680ab6b1aa3e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38acfaa0f912c2598cc341ec98da8a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25e326fdf9e5456f48e8a99a069f379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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【推荐1】已知椭圆
的左、右两个顶点分别为
、
,曲线
是以
、
两点为顶点,焦距为
的双曲线,设点
在第一象限且在曲线
上,直线
与椭圆相交于另一点
.
(1)求曲线
的方程;
(2)设
、
两点的横坐标分别为
、
,求证
为一定值;
(3)设△
与△
(其中
为坐标原点)的面积分别为
与
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46ab26e2d950296e9edb81bb20bdcff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b91d650c2fc1a741fabdb333b09aeb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28b6ab702f8e93cc1e680a7d7af06786.png)
(3)设△
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0207ea08fccf73a5559262dd249d786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44cd09d9ad46264de4620c60370d49d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b672a7b69802be243c908b818fa268da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b1ab746f3773e5989f4d18fb3072a9.png)
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【推荐2】对于双曲线
,若点P(x0,y0)满足
,则称P在
的外部,若点P(x0,y0)满足
>1,则称
在
的内部;
(1)若直线y=kx+1上的点都在C(1,1)的外部,求k的取值范围;
(2)若C(a,b)过点(2,1),圆x2+y2=r2(r>0)在C(a,b)内部及C(a,b)上的点构成的圆弧长等于该圆周长的一半,求b、r满足的关系式及r的取值范围;
(3)若曲线|xy|=mx2+1(m>0)上的点都在C(a,b)的外部,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e492cd3c2c836b0d90eec1b1bb53500.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e1e8588b05130f35e3e087907cf687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35bf72a4612e5cb9004743f53084b1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/505e09be1afa1934d6efecaf4c7254cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35bf72a4612e5cb9004743f53084b1aa.png)
(1)若直线y=kx+1上的点都在C(1,1)的外部,求k的取值范围;
(2)若C(a,b)过点(2,1),圆x2+y2=r2(r>0)在C(a,b)内部及C(a,b)上的点构成的圆弧长等于该圆周长的一半,求b、r满足的关系式及r的取值范围;
(3)若曲线|xy|=mx2+1(m>0)上的点都在C(a,b)的外部,求m的取值范围.
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