名校
解题方法
1 . 已知
为抛物线
:
的焦点,
,
,
是
上三个不同的点,直线
,
,
分别与
轴交于
,
,
,其中
的最小值为4.
(1)求
的标准方程;
(2)
的重心
位于
轴上,且
,
,
的横坐标分别为
,
,
,
是否为定值?若是,请求出该定值;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1aa2a5e31d553cfab95eed01ec715d5.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/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276509f01529d982ab21e479a4619268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5dc044cb3f14963bdf36eba6611cfcf.png)
您最近一年使用:0次
2024-05-17更新
|
1002次组卷
|
2卷引用:2024届湖北省高三普通高中5月联合质量测评数学试卷
2 . 已知函数
,给出下列四个结论:
①当
时,对任意
,
有1个极值点;
②当
时,存在
,使得
存在极值点;
③当
时,对任意
,
有一个零点;
④当
时,存在
,使得
有3个零点.
其中所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/105861d1641ea050b3274e1dac21c6fc.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882037b9ce104ecc496e0f31a139361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c7b17b40ac22797b8d263c4eb19653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36b234ba460321e811de1729eadd4b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22fc53d1a6192701c1d7364c08fac090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36b234ba460321e811de1729eadd4b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
其中所有正确结论的序号是
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3 . 已知函数
,
.
(1)判断函数
在区间
上的零点个数,并说明理由;
(2)函数
在区间
上的所有极值之和为
,证明:对于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1044dcf4fba551e1b7fbfeb895ea08c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df3e4d7bd045ca908e0d291df76e02d3.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad14579830d0293b1390911cb603eb02.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d035309c953cd9ea43094ffbd888b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daba0444595815c4aa0bcbca50b2f46c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fa2ed9c260f345b10e8da2e80545655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1245cd8a6cf18939a889c1e64782e4f.png)
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4 . 函数
与
之间的关系非常密切,号称函数中的双子座,以下说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0c0fb7d7810f3f95415e61621d07a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe8383def220f92d50af7cc60ad9c37.png)
A.若![]() ![]() ![]() ![]() |
B.![]() |
C.直线![]() ![]() |
D.若直线![]() ![]() |
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解题方法
5 . 已知双曲线
的一个焦点为
为坐标原点,点
在双曲线上运动,以
为直径的圆过点
,且
恒成立,则
的离心率的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/844a1c77cdc51fb57f2fc55d791ea64f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09224287f31db61f4335560cdaf28ae3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.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/4ed568f7b6490ebbb104d105dbc07f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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6 . 已知函数
.
(1)求函数
的单调区间;
(2)若函数
在
处取得极大值,求实数
的取值范围:
(3)已知
,曲线
在不同的三点
处的切线都经过点
,且
,当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50bdf9cc570f3ad7245aca7087abe6b.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73254f32b6da29ecc32df2e9f87a4c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a54f63ff36b084047321e09cbcee442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30277e0be448b4955903e81e8795e45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606ef9cb8c9c4f61ab2acc4c11fec693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5149c72ec2f361d9220b6bf8bba4dc3.png)
您最近一年使用:0次
解题方法
7 . 已知椭圆
的左右焦点为
,
,P是椭圆C上的动点,
的最大值为8,当
时,
.
(1)求椭圆C的标准方程;
(2)点
,若点M,N在椭圆C上,且直线
,
的斜率乘积为
,线段
的中点G,当直线
与y轴的截距为负数时,求
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/560510300ddfc5c893e0d4123bbf9f22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fde69214438f3a720c8094e886eb31dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dccf31e2e06794301c8dff7939521ce.png)
(1)求椭圆C的标准方程;
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1bd72b6e698a649d551a0ec50e3b2a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b09bf6ba623953df55eb869b2b363e39.png)
您最近一年使用:0次
8 . 已知函数
.
(1)求函数
的单调区间;
(2)若函数
的两个极值点分别为
,证明:
;
(3)设
,求证:当
时,
有且仅有2个不同的零点.
(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d797a2db981447da3e604690da4afca.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dabb97b3033a9915c9016df81df91b94.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade931035db1a9b2f6f96ab9133148b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd60e69dac32dc020aacf5df042e5f2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec068ca23b1226af6b27e20d57b87e9.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74517b26a5a02c30c94f031d52d63014.png)
您最近一年使用:0次
解题方法
9 . “对称性”是一个广义的概念,包含“几何对称性”、“置换对称性”等范畴,是数学之美的重要体现.假定以下各点均在第一象限,各函数的定义域均为
.设点
,
,
,规定
,且对于运算“
”,
表示坐标为
的点.若点U,V,W满足
,则称V与U相似,记作V~U.若存在单调函数
和
,使得对于
图像上任意一点T,
均在
图像上,则称
为
的镜像函数.
(1)若点
,
,且N~M,求
的坐标;
(2)证明:若
为
的镜像函数,
,则
;
(3)已知函数
,
为
的镜像函数.设R~S,且
.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf145ba1997cc3d08e33f293254e6f80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af405a054bfe7fb7ce40e48d816467e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e2795f6fc7043f930745976968466fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e16415b61722f9961e412386e6819f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fde4ec543a9f0c90361dc745f44803d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e472c830f937c5b6d170697b57104d9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3be375f2101d25d3cb0918bf65b682b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd2ac83d16c87fcc7056e4c6dbbff36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661249bf6499017f9e5e03db3fcd93d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643cf4c0177c40edaf01e676c1d54c0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5083e04454a558782d3bcbd2cabdde26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd2ac83d16c87fcc7056e4c6dbbff36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2595e01e8751886a27862cce04e2d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b925f9f6da6b75ee413e4de5701855a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7dad535985c70409e9c799c559386b.png)
(2)证明:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e468e814daa94be212832da87ca2432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8569e7b5710b68a93b65b8930415b8eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9716315555c1c3facc71023e6e1c75b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/162768e1de8cab5e6e19b748a47b2216.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c945a45ca2e036019d017d2bec45d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8195f5ae98c4c40ff17aa510e39b46b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4ebc9e30c1977652e8b9bfd6f10dc14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd72ac36aedac2ba9271b332e59d33ce.png)
您最近一年使用:0次
10 . 已知函数
.
(1)讨论
的单调性;
(2)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fd16778910dccc8bb0bcd690f9d57a.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f490ff297bcfeb77f1d40b50f26411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-05-15更新
|
768次组卷
|
2卷引用:山东省烟台市2024年高考适应性练习(二模)数学试题