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解题方法
1 . 已知
的三个顶点分别为
.
(1)求
边所在直线的方程;
(2)求
边上的高所在直线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/210abe60c91b359e64411232b968b5e5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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2023-12-20更新
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2卷引用:重庆市永川北山中学校2023-2024学年高二上学期第一次月考数学试题
名校
2 . 在平面直角坐标系
中,圆
,四点
.
(1)若
三点的都在圆
上,求圆
的方程,并判断
点与圆
的位置关系;
(2)过
点的直线
被圆
截得的弦长为4,判断这样的直线有几条,并求出直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49ffb95db5049b907168427ae07e8809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0331ccfe71a7964909f5539fe94943ff.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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解题方法
3 . 已知全集为
,
,
,
.
求:
(1)
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94f27b5825d1899e73e89f251683e007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e1105e511b0357c531aa723c621a088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f56d1074e7c5ede494466725bf9ffe61.png)
求:
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318212b9ba5866ba3fd6f4327526443f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cae2b8c0a65408da2783e45fabf5aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 已知直线
过点
.
(1)若直线
在两坐标轴上的截距相等,求直线
的方程;
(2)若
与
轴正半轴的交点为
,与
轴正半轴的交点为
,求当
(
为坐标原点)面积的最小值,直线
的方程..
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d12ed430d52fc0ba03785273eda3d1e.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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5 . 已知
是二次函数,满足
,且最小值为
.
(1)求
的解析式;
(2)
,
的最大值为
,求
的表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d300c6ad0130799fbb5e354b4d149be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d297eab7380f6a28ec010218d9ab4ba1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b2d3722725e8293bb801a94e27389d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf64767a183515d2ebab9a295f6a580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf64767a183515d2ebab9a295f6a580.png)
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解题方法
6 . 函数
是定义在
上的奇函数,且
.
(1)求
的解析式;
(2)证明
在
上为增函数;
(3)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fd83b37f8979128b120e5b5af803b3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffc6da8cf1ccead63fcacc383560e0ba.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
(3)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d06da5f9311195b66c3e8d1ecb90df3f.png)
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4卷引用:重庆市永川中学校2023-2024学年高一上学期期中数学复习题(一)
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7 . 已知
,函数
,当
时,
的最小值为
,下列结论正确的是
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1982786864f37e6f954e8d70f9970620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
![](https://img.xkw.com/dksih/QBM/2023/11/10/3364895394365440/3366663887060992/STEM/8bbd1494813746d89267984c8ec94b6c.png?resizew=4)
A.![]() |
B.![]() |
C.![]() ![]() |
D.![]() ![]() |
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2卷引用:重庆市永川中学校2023-2024学年高一上学期数学期中复习题(二)
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8 . 已知函数
是幂函数,且
在
上单调递增,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6d1a602f47cc3b563fa9e3885e5734b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.-1 | B.-1或2 | C.2 | D.3 |
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2卷引用:重庆市永川中学校2023-2024学年高一上学期数学期中复习题(二)
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9 . 分别计算下面两题
(1)化简:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6cacf91fe4118af82badc53d0575a7.png)
(2)化简求值
.
(1)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6cacf91fe4118af82badc53d0575a7.png)
(2)化简求值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d37af7244697119a2d4c699d1305d6f6.png)
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解题方法
10 . 下列说法正确的是( )
A.集合![]() ![]() ![]() ![]() ![]() ![]() |
B.设全集为![]() ![]() ![]() |
C.集合![]() |
D.“![]() ![]() ![]() |
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2卷引用:重庆市永川中学校2023-2024学年高一上学期半期考试数学模拟题(四)