名校
解题方法
1 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/660e5444915f5eec8839dfaf97d1f007.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec8ea911e721f87650be0889737ae37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/660e5444915f5eec8839dfaf97d1f007.png)
您最近一年使用:0次
2021-02-26更新
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154次组卷
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6卷引用:【省级联考】贵州省2019届高三上学期高考教学质量测评卷(一)数学(理)试题
2 . 在实数-
,0,
,
,
,
中,无理数的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619096595112f0340a43b756e114dd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5a1a7a04d4c10e7a45714482bfb58d.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
解题方法
3 . 已知
与x成反比例,当
时,
,则y与x间的函数关系式为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a7fa0f27339e750dd7e7c3b8b37759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
您最近一年使用:0次
4 . 已知:直线
过抛物线
的顶点P,如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/14/46dd758b-9d1f-459b-af54-395a4eba5019.png?resizew=186)
(1)顶点P的坐标是 ;
(2)若直线
经过另一点
,求该直线的表达式.
(3)在(2)的条件下,若有一条直线
与直线
关于
轴成轴对称,求直线
与抛物线
的交点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e136e7637543c8ae92c8dcd55b31924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f57c5d08e534712f29c041ee91478d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/14/46dd758b-9d1f-459b-af54-395a4eba5019.png?resizew=186)
(1)顶点P的坐标是 ;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e136e7637543c8ae92c8dcd55b31924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/148a199f475fdc0064881af15481fe1a.png)
(3)在(2)的条件下,若有一条直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c1972246a0a3d1c987d25205dbdd99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e136e7637543c8ae92c8dcd55b31924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c1972246a0a3d1c987d25205dbdd99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f57c5d08e534712f29c041ee91478d.png)
您最近一年使用:0次
5 . 已知反比例函数的图象过
和
,则n等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d483dd3a65702ed0cd7df766300d03b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/740a1b0dee8834b12aa85a8481e539e9.png)
A.3 | B.4 | C.6 | D.12 |
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6 . 一次函数
的图象经过的象限是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
A.第一、二、三象限 | B.第一、二、四象限 |
C.第二、三、四象限 | D.第一、三、四象限 |
您最近一年使用:0次
7 . 若集合
,则集合A的子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22df762faf4e5c2328ad56f25311f2af.png)
A.8 | B.7 | C.6 | D.5 |
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8 . 计算下列各式的值
(1)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7e78e2052092515f97497856b73440a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc600dd701dee71bc5fba9c5100034f.png)
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9 . 解方程或方程组
(1)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bfcffd48bd96e513072d998b69b6629.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f19a797540e2cbf1016ab4857f3cca0.png)
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10 .
与
是同类项,则m=________ ,n=_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a52ca2ce350390b1b2f67030159086f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a3130583d0d535611ec904a21f90936.png)
您最近一年使用:0次