解题方法
1 . 在正三棱柱
中,
为
的中点,
分别为线段
,
上的动点,且
,则线段
的长度的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e99ef164a99282e74b20006c45cbbeec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460a9dc7a32cc7fa60fe5b8479d48924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3卷引用:河北省邢台市2023-2024学年高二上学期1月期末数学试题
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解题方法
2 . 下面四个函数中为奇函数的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 已知
,我们定义函数
表示不小于x的最小整数,例如:
,
.
(1)若
,求实数x的取值范围;
(2)求函数
的值域,并求满足
的实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9322dd8f56b5f8d2c667fdf0d4a9f9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7871245c73941aa9cc43ec0f82a00dd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083e66f15f0a5b04c323f1e102fe497c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/650191ce718e5660ec83029419a507ff.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3c4f0e587b3039889cfb2f00af8bd2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c0e0e937249bd71d711bb09fd4b2a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2卷引用:河北省石家庄市辛集市2023-2024学年高一上学期期末数学试题
4 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/737812c22f99cc638a73b98d62111a22.png)
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/737812c22f99cc638a73b98d62111a22.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b39ae1f3ed44c0c2caa5359cf93998.png)
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名校
5 . 已知函数
.
(1)若
,求关于x的不等式
的解集;
(2)若
,且方程
有两个不相等的负根,求实数b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c75d0c3b10fd1890e1afcd9886c73b99.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef2635c6e599f816c706e471a3c197d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc478be171c125e452496ae2bf4ccb3c.png)
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解题方法
6 . 若焦点为F的抛物线
上一点P的纵坐标为
,则原点O到直线PF的距离
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c98c59cd4749afdd21e73529fc84323.png)
A.![]() | B.![]() | C.1 | D.![]() |
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解题方法
7 . 已知数列
是公差不为0的等差数列,
,且
,
,
成等比数列.
(1)求数列
的通项公式;
(2)设
是数列
的前n项和,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da4cd81500bdb43118150dbdb1541e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc858b7a95c5006a44067022da09f667.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9acdd049cb1bf2b929dfdd30cc57b31d.png)
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8 . 已知双曲线C:
(
,
),若四个点
,
,
,
(
,
)中有三个点在C上,则该双曲线的渐近线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/251102916ec3a64df667c1e14c6dfd89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04529472264cdcd72ac29ead983df370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a55623ea0fe0b6fbd71c3ecc8c04276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce92b4d36f31085ea8315f249dbf6c53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da663e39e96645a5c44a78501b9d9c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232d1ce3ad14256b1543e6007ff1675d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 一动圆经过点
且与直线
相切,设该动圆圆心的轨迹为曲线C.
(1)求C的方程;
(2)若直线l与C交于A,B两点,且线段AB的中点坐标为
,求l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c351299dbe0660edc4a71497b387ec18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9355031ea0b2dc9cef3777621bc6d38.png)
(1)求C的方程;
(2)若直线l与C交于A,B两点,且线段AB的中点坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52fe874d253faa184f61b1a3d7de7fd5.png)
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2卷引用:河北省承德市2023-2024学年高二上学期期末数学试题
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10 . 如图,在四棱锥
中,
平面
,底面
为直角梯形,
,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/985decb8-2ecd-477f-9cfa-e5af6f62e313.png?resizew=174)
(1)证明:
.
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbe8961cca9440ea334ee049d109146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18120a244d3a1f9c1688bf53eb2ad775.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/985decb8-2ecd-477f-9cfa-e5af6f62e313.png?resizew=174)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bafa8c14100a4f847b41b9148954116c.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
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