名校
1 .
,且
.
(1)方程
在
有且仅有一个解,求
的取值范围.
(2)设
,对
,总
,使
成立,求
的范围.
(3)若
与
的图象关于
对称,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a615271711750f4e18797f6c45404a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/221d133bc38df7ae4bf1717cb3ca12d4.png)
(1)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e029124b4cd659d0596a955e6b93ce5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8284604d4499d6ee65dbefed20c7800f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b324aceadfd941605fa757a5ea014c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e21dc6fe0ae3b5c607b274227b547e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a58a804ac94af91bb076b7bf3184a24c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6154e00013d9dee84c0e941f676ea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28dd80f024a2ad50d7d5838a1cd80c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb89f9fa268fc91676108a58c29e114.png)
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2023-05-21更新
|
1199次组卷
|
6卷引用:辽宁省沈阳市第十一中学2022-2023学年高一下学期4月月考数学试题
辽宁省沈阳市第十一中学2022-2023学年高一下学期4月月考数学试题江西省吉安市双校联盟2022-2023学年高一下学期期中考试数学试题(已下线)专题5.9 三角函数全章八类必考压轴题-举一反三系列(已下线)专题5.4 三角函数的图象与性质-举一反三系列(已下线)第七章 三角函数(压轴题专练)-单元速记·巧练(沪教版2020必修第二册)(已下线)模块四 专题2 重组综合练(江西)(北师版高一期中)
名校
解题方法
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a296c144fc9626f81ae59d6dc1d6a80.png)
的图像;
(2)求
;
(3)求方程
的解集,并说明当整数
在何范围时,
.有且仅有一解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a296c144fc9626f81ae59d6dc1d6a80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/981db5e1425f4510580273488f6e1fd0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549f9c4a708ba21ecadd712e2df626a4.png)
(3)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b7bff9b2431134f7683a9cc4e68acd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb291880ef86317d079c0e0b349403e5.png)
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2023-12-09更新
|
190次组卷
|
6卷引用:黑龙江省齐齐哈尔市克东县第一中学2023-2024学年高一上学期12月月考数学试卷
3 . 对于实数
,
的不同取值,求关于
的方程
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a951f2a78ac3870b285128055f091e99.png)
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4 . 已知二次函数
.
(1)该函数图象上有两个点
,当
时,y随x的增大而增大,对任意的
,都有
恒成立,求a的取值范围.
(2)已知
,若抛物线与线段AB只有一个交点,求a的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1911154b19d51f938410908dc2b3eb12.png)
(1)该函数图象上有两个点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35115e581c859d8fd22653883ebd35ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27f27cbb8185c1974d715ff95f8801c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ae082c6866016aeac6b235da55a7611.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2e57263b90585f718115ce7610d5790.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f8b751f0a6dc46675b9df1ccc5f32b.png)
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解题方法
5 . 如图,
分别是等腰梯形
的边
上的动点,
,其中
为定值,
,设
,其中
.
,求出
的表达式;
(2)证明:
的余弦值与
的取值无关;
(3)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ced9844fe2e052c70486af0740afa63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596d41b6556f383445536d1c534ac182.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1f07948e9258b482a2164ac871f90f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a18fec3e4a4fbc7b3e0e037ce650023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d91513d2e546a5a0b5fd42379db8df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e72cf7374a65ced433b6fa113ef57d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e2be3e9225c71609248299caa49432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192c2f1059f6e05d44df048f5fdca04b.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7023ec0f513c7d0ef86859a5ede54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db625151987f893816de66b15d9e699.png)
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解题方法
6 . 已知集合
,
.
(1)设
, 若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79deaec32995e17969caf4dd20095aa.png)
求实数
的取值范围;
(2)设
, 当
时, 记![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76e3ae41a67dfa1fb2e9d53732b3f896.png)
试求
中元素个数最少时实数
的所有取值,并用列举法表示集合
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94d040f92d120aab48c6dc3a816453f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f953c77c654e064f730ec5ea522b96.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba9d23925ff55121d4180c92a7e0d205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79deaec32995e17969caf4dd20095aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05250abe6da85eb0b555948d7dbaf317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b0e166be11c06a67a99aefd52428472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a4eaa80b44625890339d6a0065c241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76e3ae41a67dfa1fb2e9d53732b3f896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05250abe6da85eb0b555948d7dbaf317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
7 . 已知圆C:
.
(1)当
,
,
时,过点
且斜率为k的直线l与圆C有两个不同的交点,求k的取范围;
(2)当圆C以坐标原点O为圆心,且与直线
相切时,圆与x轴交于A,B两点,圆内的动点P使
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d7c223faadd624d524399fc0f7f39e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7551011cfb75b26f35b07d6617c6a18b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25e326fdf9e5456f48e8a99a069f379.png)
(2)当圆C以坐标原点O为圆心,且与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb2c3c88ffd31fe98cb36b03566cca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc495b7c04ff1d3c2bd7098bf96c5649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59880e470359d8e9faf6ae5ce155cf2a.png)
您最近一年使用:0次
8 . 已知双曲线
的右焦点为
,过右焦点
作斜率为正的直线
,直线
交双曲线的右支于
,
两点,分别交两条渐近线于
两点,点
在第一象限,
为原点.
(1)求直线
斜率的取值范围;
(2)设
,
,
的面积分别是
,
,
,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbadddf8d6d2a0f0f16c10100795d867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be92f0e0012a7696c78e3e00513edefd.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf639890f27a42e1383cc6cfa14117a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bbf417026dc57a5e9ce85359188beec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532d9de08698f61d7c010805c61a4ec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c8561afa0f1454ea382a625d000a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d678455f156f5de3f6c0cc78adbe6d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b99d522f019832ececfb82fd2bcb87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30654ba32a8ac50a05dc7e34bba72dcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4635ef9bf093c4f65a1dda2d37033e40.png)
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2022-10-16更新
|
959次组卷
|
6卷引用:重庆市南开中学2023届高三上学期第二次质量检测数学试题
名校
解题方法
9 . 《绿色通道》作业88面第12题:已知双曲线
左右两个焦点分别为
,过
的直线交双曲线的右支于点
,且满足:
,
的周长等于焦距的3倍,若
,则双曲线离心率的取值范围是______.
我校高二某班的小楚同学在处理这个题目时提出了自己的见解,他认为这个曲线的离心率在已知比例和周长的条件下应该是个确定的值而不是某个范围,所以条件
可能是个多余的“伪条件”.你是否认同小楚同学的观点?若认同,请你求出此曲线的离心率,若不认同,请你说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a01e0c43c8c52d04824420717eb52969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3a7681c38f74e21181bb9de077b0c0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c07ebcbfacda073208d483c58e8a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291d1caba33704c0a5ddaf328e0f6037.png)
我校高二某班的小楚同学在处理这个题目时提出了自己的见解,他认为这个曲线的离心率在已知比例和周长的条件下应该是个确定的值而不是某个范围,所以条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291d1caba33704c0a5ddaf328e0f6037.png)
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名校
10 . 已知关于x的函数
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/936719ca6ef48b7baa054ebe4561e5a7.png)
(1)若
,求x取值的集合;
(2)若对
,关于x的不等式
恒成立,求实数a的取值范围;
(3)若
,试讨论x取值的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b927dfb4506976cbf2ab941442be8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecd4af7c872fb479131df3d2a01db5e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/936719ca6ef48b7baa054ebe4561e5a7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12021b74e36a4394c9786d2de00cbbf5.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4242185064b5c5a4f34ecd9d10af6c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c37c6ff48f613a54d47f226bcf60a43.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1cec04a1887313401ec574d0b46ea6d.png)
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