解题方法
1 . 已知直线l:经过抛物线C:
(
)的焦点F,与抛物线交于A,B两点.过A,B两点且与抛物线相切的直线相交于点P.
(1)求抛物线的标准方程;
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0893a169bb1e790ce73c62f63c59ab48.png)
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2 . 已知
是直线
上的动点,
为坐标原点,过
作圆
的两条切线,切点分别为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980737863d238e24e443230ff19d9bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
A.当点![]() ![]() ![]() ![]() ![]() |
B.当![]() ![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
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2024-03-29更新
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2卷引用:吉林省通化市梅河口市第五中学2024届高三下学期一模数学试题
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解题方法
3 . 已知点
是椭圆
上关于原点对称的两个点,点
是椭圆
上异于
,
的一点,且以
为直径的圆过点
,点
在
轴上,且
三点共线,
为坐标原点,若
成等比数列,则椭圆
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ffc7d1af9053b027cf9e726f5367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5590ca2ef4214577b4a0ee9263754c79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a8ba1b06092f76ed41770b756d2141.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2卷引用:吉林省白山市2024届高三第二次模拟考试数学试题
4 . 已知函数
在区间
上有且仅有一个零点,则
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffa56e3fe8f51eccaa2f101b9bea083e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68d62482d548bcd517188178fd36bc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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解题方法
5 . 已知椭圆
的左、右焦点分别为
,
,过
的直线
与
交于P,Q两点,
的周长为8,焦距为
.
(1)求椭圆
的方程;
(2)若直线
与圆
相切,且与
交于不同的两点R,S,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fea5f7430235e65d2c2e6b2ecc46712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b4bcb812c997db47214cb52c905f99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab884b4fd41f26f2482ea49a6e62c75.png)
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2卷引用:吉林省部分学校2024届高三下学期高考模拟(三)数学试题
6 . 已知
,
均为锐角,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b61b9cbe39e5cd38e0c046e26e5f1c31.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
7 . 若对任意
,存在实数
,使得关于x的不等式
成立,则实数
的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07cf26bdfcbe3d63782a511b4fa09e6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08bef4b7346b48f17285e3e1905c592f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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解题方法
8 . 如图,点
是边长为1的正六边形
的中心,
是过点
的任一直线,将此正六边形沿着
折叠至同一平面上,则折叠后所成图形的面积的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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5卷引用:吉林省通化市梅河口市第五中学2024届高三下学期二模数学试题
9 . 已知函数
.
(1)求函数
的单调区间和最小值;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f051b579e8f5513893624ca149dba098.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ffd8b9b441ccc043d7914fab9a64936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da1e8206277f2bd85e7fc5b84c421156.png)
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解题方法
10 . 如图,在棱长为1的正方体
中,M,N分别是
,
的中点,
为线段
上的动点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
A.![]() |
B.存在点![]() ![]() |
C.直线![]() ![]() ![]() |
D.过M,N,P三点的平面截正方体所得截面面积的最大值为![]() |
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4卷引用:吉林省部分学校2024届高三下学期高考模拟(三)数学试题