1 . 己知椭圆
的左、右顶点分别为
,右焦点为F.动直线l过F且与E相交于A,B两点,定点G使得
.
(2)直线m过点G且垂直于x轴,点P在m上,证明:若
三点共线,则
三点共线:
(3)椭圆E如图所示,请用“尺规作图”的方法在图中作出点F、点G,保留作图痕迹,并写出作图步骤.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8868e2ba4401d727f1bcb1f5483b48f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd5f7f8631964382f4769c8fc020e6f7.png)
(2)直线m过点G且垂直于x轴,点P在m上,证明:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2956ffa0de0f9d11afe72119b221264a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7489e056192b00dc0973539cf36ab9c.png)
(3)椭圆E如图所示,请用“尺规作图”的方法在图中作出点F、点G,保留作图痕迹,并写出作图步骤.
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2 . 设函数
.
(1)讨论
的单调性;
(2)当
时,若
的值域为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3305fbf9257e6cfdbbaebdd83be9bb8a.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4111065517396c7fcb8a626b6bb218d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe86cace140f2c3588ab115837bbfc9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19e9454e1c89d09cb8e1fbd628ae2cbb.png)
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3 . 已知函数
有且只有两个零点,则a的范围____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee76255706039aa778ff3add3f71a38.png)
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4 . 双曲线
的左、右顶点分别为
,左、右焦点分别为
,过
作直线与双曲线
的左、右两支分别交于M,N两点.若
,且
,则直线
与
的斜率之积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8db5b3141bc10f8ee640f1fb48d6e157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2988e435ffb7935d49569ee824262f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f98254a6193566587a70c7d95fdabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0803614ff32b6a15c5aa286e9f66be58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06b89f666bb428c404469736e9528297.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8438b536ba7d376f22aec5d20e66017f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe61d39d080872caa8973a70a3b4955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448eb7d301baa90fe59b05761830f81f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4卷引用:黑龙江省哈尔滨市第九中学校2024届高三第二次模拟考试数学试卷
黑龙江省哈尔滨市第九中学校2024届高三第二次模拟考试数学试卷(已下线)数学(九省新高考新结构卷03)(已下线)模块4 二模重组卷 第2套 全真模拟卷辽宁省朝阳市建平县实验中学2024届高三第五次模拟考试数学试题
5 . 设椭圆
的左焦点
,长轴长为4.
(1)求椭圆
的标准方程;
(2)过点
作两条相互垂直的直线分别与椭圆
交于P,Q和E,F,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a45349f54f6abc8d331556557255f024.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c6ff81aedbefa935da289dc632e78eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d35475555789a8a1a246e600d97a699.png)
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解题方法
6 .
的外接圆半径为1,
,则
的面积为__________ ;当角
达到最大时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eeee5e2cddf4e58f3f52c11eb95265e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076b41031ca314756b5c9b12ff652549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eeee5e2cddf4e58f3f52c11eb95265e.png)
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解题方法
7 . 已知椭圆
的左右顶点分别为
和
,离心率为
,且经过点
,过点
作
垂直
轴于点
.在
轴上存在一点
(异于
),使得
.
的标准方程;
(2)过点
作一条垂直于
轴的直线
,在
上任取一点
,直线
和直线
分别交椭圆
于
两点,证明:直线
经过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/287d8ef3b6114a1d1111d46271819100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d58f9019097bd05037aefd5c322916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7fb7a994dc0af06ea0174cb4ef6f3ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e463e661d45282d927b7596d5ad3b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3896bb7e10246b3b8c33da4c500762.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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解题方法
8 . 设
,
.
(1)当
时,证明:
;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f77c845f50ab193151748aa67ea2b01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fad32850af0f1dd8b57e9ad01868f7f.png)
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解题方法
9 . 已知
(
,
且
).
(1)当
时,求
在
处的切线方程;
(2)当
时,求证:
在
上单调递增;
(3)设
,已知
,有不等式
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7a375f62073fdead87976eecefa646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1422e1561be02d6571ef98b424f05f0d.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7db8f867196410e2828e2bbd3183b02d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9dbe00d7d3168f1963e3cc149edd88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
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解题方法
10 . 已知点
是椭圆
与抛物线
的交点,且
、
分别为
的左、右顶点.
(1)若
,且椭圆
的焦距为2,求
的准线方程;
(2)设点
是
和
的一个共同焦点,过点
的一条直线
与
相交于
两点,与
相交于
两点,
,若直线
的斜率为1,求
的值;
(3)设直线
,直线
分别与直线
交于
两点,
与
的面积分别为
,若
的最小值为
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/468fc3e395fa3b681c3da37edbe229a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d933ca4bf69ec95c8f846a2fb7fb112b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed54c80249d464ac52236f13678f919.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa41214fcf99d60bd804df5b900a096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f664ebabe8e165dac1bbb3b8c4de4d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca1142f3e7a330a26e35cb94ad5392c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52041559f8fee18bfa3e2e2ac07c3bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f694af53a5f7e47020a6bf7855382515.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(3)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf25e032b5599ac49383de06e776365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf702adb116c1e46569eb7050d029f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40a30dcce80759b26d7476555f271861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0023c9e8e0fec24d3aa77d09b2e4e62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e8c7968d57d2a20065a7cb15c9b4eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59ab85c075a09d55d69e159e4abb268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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