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1 . 下列选项中,所得到的结果为4的是( )
A.双曲线![]() |
B.![]() |
C.函数![]() |
D.数据![]() |
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解题方法
2 . 双曲线
和抛物线
(
)的公共焦点为
,过点
的直线交抛物线于
,
两点,若
中点的横坐标为6,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a218602e8e3a52f74f760059aa7014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/88bee8e70f1fab639be1636c7bce0477.png)
A.16 | B.12 | C.10 | D.8 |
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3 . 过双曲线
的右焦点F作与其中一条渐近线垂直的直线
分别与这两条渐近线交于
两点,若
,则该双曲线的焦距为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/222b4c3088d36ba0b2f5d8dedbcfc902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff58702fa978040dc5b2a8a5c19304c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/413a0dc5bc9714fc913ee8219005e91e.png)
A.2 | B.3 | C.![]() | D.4 |
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2024-06-10更新
|
389次组卷
|
2卷引用:重庆市西南大学附属中学2024届高考全真模拟数学试题
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4 . 若抛物线
的准线经过双曲线
的右焦点,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec68c680d1b8c8cfa98b48a27d2c46a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5848e50805496263d52dcbde9671a89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.4 | C.![]() | D.8 |
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5 . 已知双曲线
与双曲线
,其中
,则下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e8abc70a8aaf2a9b2f9f575a48e7e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56864044fd9aa265ed5af91de10445bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b99ab76867bad0fed5848e135b34950.png)
A.双曲线![]() ![]() |
B.双曲线![]() |
C.过![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.斜率为![]() ![]() ![]() ![]() ![]() |
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6 . 若抛物线
的准线经过双曲线
的右焦点,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd54e9c5f5a8bdc4ca6434ef2b1e33df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5848e50805496263d52dcbde9671a89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.4 | B.![]() | C.2 | D.![]() |
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7 . 已知曲线
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7877ebc149e669522b7fb8d3b4c0a434.png)
A.曲线 ![]() | B.曲线 ![]() |
C.曲线 ![]() | D.曲线 ![]() |
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解题方法
8 . 已知双曲线
的一条渐近线方程为
,则
的焦点坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76486d0c4260302939761de8739a99f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2bdeeb6f5e38e3464c357d00839a6ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024·全国·模拟预测
9 . 过双曲线
的右焦点
的直线与
的右支交于
两点,
为原点,线段
的中点与线段
的中点重合,则四边形
面积的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d750ac23802aa73c47a1528227207485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de6c989fd224866658230526892e2bcb.png)
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解题方法
10 . 设
为坐标原点,直线
与双曲线C:
的两条渐近线分别交于
两点,若
的面积为10,则双曲线C的焦距的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af79f45b5880c72a349500da9d8e118d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e00bf73d03dded1cf5f83cc5339361.png)
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