名校
解题方法
1 . 已知非空集合
,
.
(1)若
,求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55201a71f63e95aef66df1ca9e21551a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44fbb02d5a584747b4a8287c6c24e0d1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-06-10更新
|
318次组卷
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4卷引用:甘肃省陇南市第一中学2023-2024学年高一上学期期末考试数学试题
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2 . 下列结论错误的是( )
A.集合![]() |
B.设![]() ![]() |
C.与角![]() |
D.若![]() ![]() |
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2024-06-08更新
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2卷引用:甘肃省陇南市第一中学2023-2024学年高一上学期期末考试数学试题
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3 . 要得到
的图象,可以将函数
的图象上所有的点( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24de84bcfb8b571a032bf979e13a51b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74e7e79ac17c51c7a4aaf9d59ec9beb5.png)
A.向左平移![]() ![]() |
B.向左平移![]() ![]() |
C.横坐标缩短到原来的![]() ![]() |
D.横坐标缩短到原来的![]() ![]() |
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解题方法
4 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185598c127a98e3d7d4a17a8950be08a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5753fa31b83a4dd81d65b50dd49ed6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185598c127a98e3d7d4a17a8950be08a.png)
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2024-04-11更新
|
522次组卷
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7卷引用:甘肃省庆阳市环县第四中学2023-2024学年高一上学期期末考试数学试题
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5 . 设函数
是定义在
上的偶函数,
在区间
上是减函数,且图象过原点,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c09c5c89b0c2a92f8c4b70e69b0eada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d028846b8614318fbf90387d13c75b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4280adea02588850b0a1af4844fcea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda05d4e012170338ee9f0b2a1852756.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
6 . 已知椭圆
的左、右焦点分别为
,过
的直线
交椭圆
于
两点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4129f43a6af21631251511e63e2ac4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
A.椭圆![]() ![]() ![]() |
B.![]() ![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
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2024-02-04更新
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481次组卷
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2卷引用:甘肃省2023-2024学年高二上学期1月期末学业质量监测数学试题
7 . 已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/26/074e847c-5f83-4434-b41f-dcdfd6e4c64c.png?resizew=153)
(1)求
,
,
的值;
(2)求函数
的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4448fe0097886fc8d4c13cd8342f7ec.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/26/074e847c-5f83-4434-b41f-dcdfd6e4c64c.png?resizew=153)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c5b747d3548e156835bd52197ede82f.png)
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8 . 抛物线
的焦点为
,其准线与双曲线
相交于
两点,若
为等边三角形,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8516f71467b419293fa27df70bdaed74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c315e4d8bc93ca6f4c991ebe7df0a1e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
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解题方法
9 . 已知直线
和直线
.
(1)试判断
,
能否平行,若平行,请求出两平行线之间的距离;
(2)若原点到
距离最大,求此时的直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b677a6b73f24cc267b15a3a66c88a565.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/872d370ba75dbd8515552207c713810b.png)
(1)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(2)若原点到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
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解题方法
10 . 已知各项均为正数的数列
前
项和为
,且
,
.
(1)求数列
的通项公式;
(2)令
,数列
的前
项和为
.
(i)求
;
(ii)是否存在整数
,使得不等式
恒成立?若存在,求出所有
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1621660898279a626e21ceee67e96a3f.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/216876de04325fd250c38c485cbc34b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(i)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(ii)是否存在整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba428b8196729443880a5064ddfaba06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d085f77f4952b2c96927c93e5b80fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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