解题方法
1 . 已知函数在
上是奇函数,当
时,
,则
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2024-03-21更新
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818次组卷
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2卷引用:北京市顺义区2024届高三上学期第一次统练数学试题
2 . 如图,已知M是抛物线C:
(
)上一点,F是抛物线C的焦点,以Fx为始边,FM为终边的
,且
,l为抛物线C的准线,O为原点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/17/ef229c07-5c27-49d4-9561-83b588dc021a.png?resizew=141)
(1)求抛物线C的方程;
(2)若直线FM与抛物线C交于另一个点N,过N作x轴的平行线与l相交于点E.求证:M,O,E三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bac87db382874f77ec5720a8023f9dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d55a119f97c226cbd2fc6419e4ed19c0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/17/ef229c07-5c27-49d4-9561-83b588dc021a.png?resizew=141)
(1)求抛物线C的方程;
(2)若直线FM与抛物线C交于另一个点N,过N作x轴的平行线与l相交于点E.求证:M,O,E三点共线.
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3 . 如图,在四棱锥
中,底面ABCD是边长为2的菱形,
,
是等边三角形,平面
平面
,M为PC的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/4f7336c0-62aa-428c-952f-f69ac3bc9831.png?resizew=186)
(1)求证:
平面
;
(2)求MD与平面ABCD所成角的正弦值;
(3)设点N在线段PB上,且
,PA的中点为Q,判断点Q与平面MND的位置关系,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df793f5dac174bc71bd1e82bbf5732b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/4f7336c0-62aa-428c-952f-f69ac3bc9831.png?resizew=186)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373f735f0f04d11f1951eaef1bb78b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af29254fe60a392c249c5791279e9c8.png)
(2)求MD与平面ABCD所成角的正弦值;
(3)设点N在线段PB上,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc7d2ae54c0fdc68c979b6ca6cd9652.png)
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解题方法
4 . 如图,在正方体
中,E是棱
上的动点,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/9e0f988b-a205-4fe0-b147-f46c6c4e3211.png?resizew=160)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/9e0f988b-a205-4fe0-b147-f46c6c4e3211.png?resizew=160)
A.直线![]() ![]() ![]() |
B.直线![]() ![]() ![]() |
C.二面角![]() |
D.直线![]() ![]() |
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解题方法
5 . 在长方体
中,
,
,
,则点D到平面
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1a56baf43ffdf67bc8460856e31fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96872cd6cd581ae8a861c7032e0257b4.png)
A.1 | B.3 | C.![]() | D.![]() |
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6 . 已知
是正方体,点E为
的中点,点F为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/3d1ea19d-e2df-4bb3-97b7-c5bfc250d1cd.png?resizew=170)
(1)求证:
;
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/3d1ea19d-e2df-4bb3-97b7-c5bfc250d1cd.png?resizew=170)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddc8d7854010461e187f817b81e3f351.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a26da65c1bccce34970ea92815c31e8.png)
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解题方法
7 . 已知椭圆E:
(
)与y轴的一个交点为
,离心率为
.
(1)求椭圆E的方程;
(2)设过点A的直线l与椭圆E交于点B,过点A与l垂直的直线与直线
交于点C.若
为等腰直角三角形,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c664dcdcf88a834707b415061bed5dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆E的方程;
(2)设过点A的直线l与椭圆E交于点B,过点A与l垂直的直线与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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名校
8 . 如图,函数
的图象为折线
,函数
是定义域为R的奇函数,满足
,且当
时,
,给出下列四个结论:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/f5a2c28c-0b50-4cd2-b91a-44675e5da6ab.png?resizew=164)
①
;②函数
在
内有且仅有3个零点;③
;④不等式
的解集
.其中正确结论的序号是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf468f5132e14ee1d8cc766808b11af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ab28aaed1369b8246303597eb5bc183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/123bf3451e1cd6900508c4e3560a81f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea730e263c7b433f932b921bf7de679.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/f5a2c28c-0b50-4cd2-b91a-44675e5da6ab.png?resizew=164)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46e5402e7bdf58b11e9610ba48a8c19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ba9bba605f7917cf70a8240a6431d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a6fb75296a4ee8461c4793383c2cb9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d26ff362d6ad9d6861fc8798fab6876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecf707e3aa4a69db3b1a05a4dc30e20.png)
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2024-02-11更新
|
192次组卷
|
2卷引用:北京市顺义区2023-2024学年高一上学期期末质量监测数学试卷
9 . 已知函数
,若方程
有两个不相等的实数根,则实数k的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90b31d456409e73575cd4cfbd5b80d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6400df594a5d53a8b9f78cf630032462.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 已知函数
是定义在R上的奇函数.
(1)求实数a的值:
(2)判断函数
在区间
上的单调性,并用定义证明;
(3)若
有两个零点,请写出k的范围(直接写出结论即可).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102d64844ddcb9b7e3d0960477ea8d25.png)
(1)求实数a的值:
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cda591d3909af06eabf6b37c65bfe571.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b26aea4ce992ee86939c3fc7be97ee7.png)
您最近一年使用:0次
2024-02-05更新
|
384次组卷
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2卷引用:北京市顺义区2023-2024学年高一上学期期末质量监测数学试卷