解题方法
1 . 求适合下列条件的圆锥曲线的标准方程.
(1)求与椭圆
共焦点且过点
的双曲线标准方程
(2)求焦点在坐标轴上,且经过两点
和
的椭圆的标准方程.
(1)求与椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f13bf66fc845b115de4ec45b4be0e23.png)
(2)求焦点在坐标轴上,且经过两点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8afe3dc719fe7e41ea1481720f75e960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987ae0298890f6d9bb162db8d00a5b1c.png)
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2 . 已知函数
(
且
为常数),
的图象与
的图象关于
对称,且
为奇函数,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e56fbcfd40905d382cdfc1de46d4316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f195df952033504dd2a088dd1925d1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5卷引用:宁夏石嘴山市平罗中学2022届高三上学期第三次月考数学(理)试题
宁夏石嘴山市平罗中学2022届高三上学期第三次月考数学(理)试题黑龙江省哈尔滨市第三中学校2021-2022学年高三上学期第三次验收考试教学(文)试题黑龙江省哈尔滨市第三中学2021-2022学年高三上学期第三次验收考试数学(理科)试题(已下线)专题03 利用导数解不等式与不等式恒成立问题(练)--第一篇 热点、难点突破篇-《2022年高考数学二轮复习讲练测(新高考·全国卷)》(已下线)专题40 导数压轴选择填空必刷100题-【千题百练】2022年新高考数学高频考点+题型专项千题百练(新高考适用)
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3 . 已知
,关于t的一元二次方程
.
(1)若
,
求此方程有实根的概率;
(2)若
,
求此方程有实根的概率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2946d8c83b0fcd48991d0453db84dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db9a7d35f092feb152a2d5a737019c3a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79d04bf7882fd278b9ba53b791c156.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1042532b35fb85a51c4f39e6db681769.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54dad48527a47eab4a5916ab0421cc71.png)
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解题方法
4 . 已知函数
.
(1)若函数f(x)的最小值为0,求m值;
(2)设
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60e4a6c0cf15c2bdd2eb88f87b1057cc.png)
(1)若函数f(x)的最小值为0,求m值;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c309bd401ea0f391b44c74a010442913.png)
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5 .
中,a、b、c分别是BC、AC、AB的长度,若
,则O是
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a0c78e04eeb3b4f911d3e30f2f3763.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.外心 | B.内心 | C.重心 | D.垂心 |
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解题方法
6 . 已知△ABC的三个内角分别为A,B,C,向量
夹角的余弦角为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521e42b220eaac30bce6102bd8642104.png)
(1)求角B的大小;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6f7d37b969e98494d5e71ddd6f58798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521e42b220eaac30bce6102bd8642104.png)
(1)求角B的大小;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0577566dbcc526fb6f783491a4784902.png)
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6卷引用:宁夏银川一中2022届高三上学期第五次月考数学(理)试题
宁夏银川一中2022届高三上学期第五次月考数学(理)试题湖北省部分重点中学2021-2022学年高三上学期元月联考数学试题(已下线)解密07 三角函数恒等变换(分层训练)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(全国通用)江苏省无锡市江阴高级中学2022届高三下学期期初考试数学试题江苏省镇江市扬中市第二高级中学2021-2022学年高一下学期期中数学试题辽宁省本溪市第一中学2022-2023学年高一下学期期中考试数学试题
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解题方法
7 . 已知三棱柱
的侧棱与底面垂直,
,
,则三棱柱
的外接球的体积为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/141ef400af3ec09829c4a640867acea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb6bb21b34bc18086733e2f3ed8bf49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
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解题方法
8 . 已知椭圆
,直线
不过原点
且不平行于坐标轴,
与
有两个交点
,线段
的中点为
,则
的斜率与直线
的斜率的乘积( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a9859040e01b972363d182a9e8b68f.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.1 | C.![]() | D.![]() |
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解题方法
9 . 已知椭圆C:
的左焦点为
,离心率为
,过点
且垂直于
轴的直线交
于
两点,
(1)求椭圆的标准方程;
(2)若直线
过点
且与椭圆相交于
,
两点,求
面积最大值及此时直线
的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368fc197b61e01fe6a4a168bb7b375cd.png)
(1)求椭圆的标准方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad3a4d8eb0a4f3dd417124a19f60066.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/004104bafb5f30338123d4ea2b7fedde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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10 .
中,
是
上的点,
平分
,
面积是
面积的
倍,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ac5396c5ea442e0364b50c1db3d2da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/650c83513f6ffe5615f64dd11be333ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
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