名校
解题方法
1 . 如图,在棱长为2的正方体
中,
分别为
的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31be3b7305d6c181420ea7b28c420851.png)
A.![]() | B.CE与OF所成角的余弦值为![]() |
C.![]() | D.![]() ![]() |
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2024-05-29更新
|
613次组卷
|
2卷引用:湖北省恩施州高中教育联盟2023-2024学年高二下学期4月期中考试数学试题
2 . 已知函数
的最小正周期为
,若
,且
是
的一个极值点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa8157130b8d67de650cc5ac7153e8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5b482f817d4c38a43c3913633dfeae9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
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3 . 下列不等式中,所有正确的序号是( )
①
②
③
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca3868a51cde5308ebc7a224c48193d.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788599f0622ac72c66fb127e168653a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733ab4db74698fc0f1baf83bdc806023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481cf69cd18b4b58c9426b23a8f99655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca3868a51cde5308ebc7a224c48193d.png)
A.①③ | B.①②④ | C.①③④ | D.①②③④ |
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解题方法
4 . 如图,已知抛物线
的焦点为
,准线与
轴的交点为
,过点
的直线
与抛物线交于第一象限的
两点,若
,则直线
的斜率![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9301e7fdb5950e1229dfa4b8a54f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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解题方法
5 . 如图,线段
,
在平面
内,
,
,且
,
,
,则
,
两点间的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1229ba36a93222692bf76be9695bf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da70d2d84c096a431e03a5ad3fad76d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714cc3707bba3bfdb56e251999be8592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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解题方法
6 . 已知
的内角A,B,C所对的边分别为a,b,c,面积为S,若
,则
的形状是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45afeb972594ed0297d5508b1e1ad146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.等腰三角形 | B.直角三角形 | C.正三角形 | D.等腰直角三角形 |
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2024-02-04更新
|
395次组卷
|
2卷引用:湖北省恩施州高中教育联盟2023-2024学年高二下学期4月期中考试数学试题
名校
7 . 已知
,
,若
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea81a7b11a03fc45d3d083a5fe4e6a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fce924911d5ed93147dfce9e41c2b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解题方法
8 . 已知椭圆
的左、右焦点分别为
,
,
为坐标原点,点
在椭圆上,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeac5175101c8d3fbdefea179f41c992.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d264c67498dabe140b182616c512b932.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeac5175101c8d3fbdefea179f41c992.png)
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9 . 平面内有四条平行线,相邻两条平行线的间距均为2,在每条直线上各取一点围成矩形,则该矩形面积的最小值是( )
A.![]() | B.16 | C.![]() | D.18 |
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解题方法
10 . 古希腊著名数学家阿波罗尼斯发现:平面内到两个定点
的距离之比为定值
的点的轨迹是圆,此圆被称为“阿波罗尼斯圆”.在平面直角坐标系
中,
,点
满足
.设点
的轨迹为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e78a4356ffc77e9c8f272e23391b20e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ca757400a5c7c339bb1b9b10699b6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df5d30e4268a4b86a4e098e8cb57da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.轨迹![]() ![]() |
B.在![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.在轨迹![]() ![]() ![]() |
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2023-11-26更新
|
665次组卷
|
5卷引用:湖北省黄冈市浠水县第一中学2023-2024学年高二上学期期中数学试题
湖北省黄冈市浠水县第一中学2023-2024学年高二上学期期中数学试题江苏省徐州市铜山区2023-2024学年高二上学期学情调研数学试卷(已下线)专题02 直线和圆的方程(2)(已下线)专题11 平面向量小题全归类(练习)(已下线)专题3 阿波罗尼斯圆及其应用【练】(压轴小题大全)