19-20高二·浙江·期末
名校
解题方法
1 . 若对圆
上任意一点
,
的取值与
、
无关,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a1a9410da8e3e67a8472aa5829d298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a5be3dab006f76df2596fccea4c652b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-03-05更新
|
610次组卷
|
5卷引用:【新东方】新东方高二数学试卷302
(已下线)【新东方】新东方高二数学试卷302江西省吉安县二中2019-2020学年高二上学期期中考试数学试题(已下线)【南昌新东方】江西省南昌市民德中学2020-2021学年高二上学期期中数学试题16山西省山西大学附属中学、汾阳中学2020-2021学年高二上学期12月月考数学(理)试题四川省广安市第二中学校2022-2023学年高二上学期第二次月考数学(理)试题
19-20高二·浙江·期末
解题方法
2 . 椭圆
,椭圆的焦距为2,长轴长是焦距的2倍.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/9107534f-9939-4e7c-a867-0f1e6ed33b0b.png?resizew=206)
(1)求椭圆C的方程;
(2)
,
,
,
分别与椭圆相切,且
,
,
,如图,
,
,
,
围成的矩形的面积取值记为S,求S的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/9107534f-9939-4e7c-a867-0f1e6ed33b0b.png?resizew=206)
(1)求椭圆C的方程;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f2813ee8f26cca880b6427f5f545d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdb9d8425d73a68731f30e0c0e22260.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6707d881334c507dc9f6e7b5bbfd91c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac146a46b4bac02776fb3d916bbd124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f2813ee8f26cca880b6427f5f545d0.png)
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名校
3 . 已知命题
直线
与圆
有公共点;
命题
函数
在区间
上单调递减;
(1)分别求出两个命题中
的取值范围,并回答
是
的什么条件;
(2)若
真
假,求实数
的取值区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a8ba78658831f9fce13aafa1d93973.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a7a5c18ef36a919886d2d1e2f3e5289.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aadb627a40786091cfd9648360212a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13e38a5ee18ecf4af2d9a8443b4a7bc.png)
(1)分别求出两个命题中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2019-05-07更新
|
1011次组卷
|
4卷引用:江西省南康中学2018-2019学年高二下学期期中考试(第二次大考)数学(文)试题
4 . 已知双曲线
的左焦点为
,过原点的直线
与双曲线的左、右两支分别交于
、
两点,且
,若
的范围为
,则双曲线
的离心率的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73208b953bca534767ac8ad7bf82ef8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac37366d2b54dc7d9a95ac6ddda5f3a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0bb63254d22458b3d5f73b60ba5bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-04-02更新
|
407次组卷
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3卷引用:【市级联考】江西省上饶市2019届高三第二次模拟考试数学(理)试题
【市级联考】江西省上饶市2019届高三第二次模拟考试数学(理)试题【市级联考】江西省上饶市2019届高三第二次模拟考试数学(文)试题(已下线)专题19 双曲线离心率定值及取值范围(期末选择题19)-2023-2024学年高二数学上学期期末题型秒杀技巧及专项练习(人教A版2019)
17-18高二·全国·课后作业
5 . 已知一元二次方程
的一个根在
内,另一根在
内,试用图表示出以
为坐标轴的点
的存在范围,并求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b8a8a6f718afd6fe4c29806ed7e2da2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d624920c40fceaba1885c5947f12b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4833ae6be21b353b5ebbaef21e00dba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5329b64d87e8083b16a15aed54b47b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6dd080f2f7e1a817e541acdbf69f7a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bced49439e6a42742f630ad823a52441.png)
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名校
6 . 已知命题p:任意
,x2-a≥0恒成立;命题q:函数
的值可以取遍所有正实数.
(Ⅰ)若命题p为真命题,求实数a的范围;
(Ⅱ)若命题p∧q为假命题,p∨q为真命题,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09508e8e64da0f03763be5067b211c2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41497e79c19d24678d64b36032cb6e56.png)
(Ⅰ)若命题p为真命题,求实数a的范围;
(Ⅱ)若命题p∧q为假命题,p∨q为真命题,求实数a的取值范围.
您最近一年使用:0次
2019-01-26更新
|
687次组卷
|
3卷引用:【校级联考】安徽省宿州市十三所重点中学2018-2019学年高二第一学期期末质量检测数学(文)试题
14-15高二上·江苏徐州·期中
7 . 设
命题
.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7417503cc66631eacc05fcef119c6a.png)
(2)若命题
是命题
的一个必要不充分条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee7ad52e33a1e486aa3ea73a09698d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4832a1611f1a8420ba625d17c0bdee36.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7417503cc66631eacc05fcef119c6a.png)
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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8 . 已知命题p:(x-2)(x+m)≤0,q:x2+(1-m)x-m≤0.
(1)若m=3,命题“p∧q”为真命题,求实数x的取值范围.
(2)若p是q的必要不充分条件,求实数m的取范围.
(1)若m=3,命题“p∧q”为真命题,求实数x的取值范围.
(2)若p是q的必要不充分条件,求实数m的取范围.
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名校
9 . M={x|
>0},N={x|x2+(a﹣8)x﹣8a≤0},命题P:x∈M,命题q:x∈N.
(1)当a=﹣6时,若“p且q“为真命题,求x的范围;
(2) 若¬q是¬p的必要不充分条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c66165958e24accf4b3f7e1971aeb69.png)
(1)当a=﹣6时,若“p且q“为真命题,求x的范围;
(2) 若¬q是¬p的必要不充分条件,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b331bbdd68d110681fc4547748b93bb.png)
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10 . 已知命题p:函数
的定义域为R,命题q:函数
在
上是增函数.
(1)若p为真,求m的范围;
(2)若“
”为真命题,“
”为假命题,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d41e34dfd2cd070f1252ce3630094c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f880b3936c75c133a4dfaa657d58db0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/363709222cc1a0c4d33d2061f1c405b6.png)
(1)若p为真,求m的范围;
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63e8f7a492b9066d33a7741a74ba621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c554e9fd580d60d9eff61b0c65199df.png)
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