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解题方法
1 . 设非零向量
满足
,则
在
上的投影向量为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d0692c60541a453ce8cc40c9ce9aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/036dfc3ca3598565a24d9cbb37180f9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7a1df960feef63dec4790d63f52279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcbe8b4bcd32e5a64ebfd873f8cbb2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77efe40ee43d88272b8d1036e64570db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ea05cb92b3a76fef530d2ddb0d8b36.png)
A.1 | B.![]() | C.![]() | D.![]() |
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3 . 已知双曲线
的左、右焦点分别为
,离心率为
,点
是
右支上一点,
的面积为4.
(1)求
的方程;
(2)点A是
在第一象限的渐近线上的一点,
轴,点
是
右支在第一象限上的一点,且
在点
处的切线
与直线
相交于点
,与直线
相交于点
.试判断
的值是否为定值?若为定值,求出它的值;若不为定值,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94f9772b3a117674e43222976a5dc816.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2bcf8a377ce421f24969a8b72415627.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)点A是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5dc06fe67c281c3ad3d19d6d8c98a67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa5d6092f598c7da4796f965e40525a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f93c3a552853bd28fdffe4de661d256.png)
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4卷引用:吉林省通化市梅河口市第五中学2023届高三最后一模考试数学试题(火箭班)
吉林省通化市梅河口市第五中学2023届高三最后一模考试数学试题(火箭班)(已下线)第22讲 双曲线的简单几何性质9种常见考法归类(2)江西省万安中学2024届高三上学期开学考试数学试题(已下线)专题5 解析几何与函数
名校
4 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e0f6e5bfcddeed6f9066c2370a1591b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ade214b1151f5d6a332ce6de4f8154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
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4卷引用:吉林省通化市梅河口市第五中学2023届高三最后一模考试数学试题(火箭班)
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5 . 若函数
为定义在
上的奇函数,则曲线
在点
处的切线方程为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27282cd2d1501b1f5bc61321418401ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
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6 . 已知点A是抛物线
上的动点,
为坐标原点,
为焦点,
,且
三点顺时针排列,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74de352eb2053f850f8367d54280be46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f5e21d225bf3c159ddf3876fbb8fb1.png)
A.当点![]() ![]() ![]() |
B.当点![]() ![]() ![]() |
C.当点A与点![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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解题方法
7 . 已知函数
,把
的图象向右平移
个单位长度,得到函数
的图象,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673d42950bb6bdd394cb1ee3f2155d6.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b51df24f20873ca8cc3096ae8358ee04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5d91a593173745c2340bd279f346f78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673d42950bb6bdd394cb1ee3f2155d6.png)
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解题方法
8 . 已知椭圆
,
的上顶点为A,两个焦点分别为
,离心率为
,过
且斜率为
的直线与
交于
两点,四边形
的面积为
,则四边形
的周长是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af87575981b83204b98109fb795b8c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f9e5108cd9b46bb9fe05a4d1199ae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af87575981b83204b98109fb795b8c4.png)
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4卷引用:吉林省通化市梅河口市第五中学2023届高三最后一模考试数学试题(火箭班)
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9 . 已知函数
.
(1)证明:
;
(2)讨论
的单调性,并证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429123ce71057590633704c616de52a8.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50470f5f7ad745d529b22f55d9e5d6c3.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6565d6646afce26e196d4ea84fd56af6.png)
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10 . 据统计,某医院10月份因患心脏病而住院的500名男性病人中,有260人秃顶,而另外500人不是因患心脏病而住院的男性病人中有100人秃顶.
(1)填写下列秃顶与患心脏病列联表:
据表中数据估计秃顶病患中患心脏病的概率
和不掉头发病患中患心脏病的概率
;
(2)能够以99.9%的把握认为秃顶与患心脏病有关吗?请说明理由;
(3)从不是因患心脏病而住院的男性病人中按照分层抽样方法抽取10人,再从这10名病患中随机抽取2人做进一步调查,设抽到的秃顶病患人数为X,求随机变量X的分布列和期望.
注:
.
(1)填写下列秃顶与患心脏病列联表:
类别 | 患心脏病 | 患其他病 | 总计 |
秃顶 | |||
不秃顶 | |||
总计 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
(2)能够以99.9%的把握认为秃顶与患心脏病有关吗?请说明理由;
(3)从不是因患心脏病而住院的男性病人中按照分层抽样方法抽取10人,再从这10名病患中随机抽取2人做进一步调查,设抽到的秃顶病患人数为X,求随机变量X的分布列和期望.
注:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f8ec200973736ac8bcd9aa633855d93.png)
0.10 | 0.05 | 0.025 | 0.010 | 0.005 | 0.001 | |
2.706 | 3.841 | 5.024 | 6.635 | 7.879 | 10.828 |
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