1 . 如图,抛物线
交
轴正半轴于点
,顶点为
,对称轴
交
轴于点
.过点
作射线
交
于点
在
轴上方),
交
于点
,
轴交
于点
,作直线
.
(1)求点
,
的坐标;
(2)当
为何值时,点
恰落在该抛物线上?
(3)当
时,
①求直线
的解析式,并判断点
是否落在该直线上;
②延长
交
于点
,取
中点
,连接
,
,四边形
,四边形
的面积分别记为
,
,
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab2fe78d4cfc053b67dc299929d7ca9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134fc3507b06c25a6cdf06b7ae11f055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f501db7cdf0cb2e99604adac2e875ef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f0fe31dce5496ca3b6db70cf4cb623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d306d136acca4e114e0e8993edbc98ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/15/1073973a-45d0-4f51-b863-e609c6a6509b.png?resizew=178)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb08f6a798dc293f3d8de281190f65e.png)
①求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
②延长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2273ae1ee99cec9c1304323bc9ebf75f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4505508b3e36db64a207dcdaf8eb22dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4031d50318f8faa4b1eefd1dec796420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1104e5fcd5680bb170941733453fb24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f87d89b3eb0c40885f5a6f011d9171b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1627178de6edc574614a630f65775709.png)
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2 . 如图,直线
与x,y轴分别交于点A,B,与反比例函数的图象交于点
.
(1)求该反比例函数的关系式;
(2)设PC⊥y轴于点C,点A关于y轴的对称点为A′;
①求
的周长和
的值;
②对于常数m,当
时,求x轴上的点M的坐标,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae652daf6059ff386f99bef2210518c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f13bf66fc845b115de4ec45b4be0e23.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/16/298b3d0f-36b1-41ec-97f8-d14e2d4e2fdb.png?resizew=127)
(1)求该反比例函数的关系式;
(2)设PC⊥y轴于点C,点A关于y轴的对称点为A′;
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2df93bd15f25096c510b589aad0dfc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ec253c3f6537f1d1a44572987a4f22.png)
②对于常数m,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9518a60893caa855ab54fa1db2f6b523.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fccae072d2d1c929b2f84838ea2ccb6.png)
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3 . 如图,在
中,
,
cm,
cm,D是BC边上一点,
cm,点P为边AC上一动点(点P与A、C不重合),过点P作
,交AD于点E.点P以1cm/s的速度从A到C匀速运动.
(1)设点P的运动时间为t(s),DE的长为y(cm),求y关于t的函数关系式,并写出
的取值范围;
(2)当t为何值时,以PE为半径的⊙E与以DB为半径的⊙D外切?并求此时
的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af67d0503b1760510c0ed48b8eadcc72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69550d878381f6e8fb436e88638f070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788830ed1cb3b9c5988f70f43595f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d2c3379d365743355e006f0de3d1eb8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/14/b705c99b-65b5-4576-be10-4df6f813ce20.png?resizew=165)
(1)设点P的运动时间为t(s),DE的长为y(cm),求y关于t的函数关系式,并写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)当t为何值时,以PE为半径的⊙E与以DB为半径的⊙D外切?并求此时
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce2b669a87f18866b2e9560f7fe1776d.png)
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|
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4 . 某公司在固定线路上运输,拟用运营指数Q量化考核司机的工作业绩.Q=W+100,而W的大小与运输次数n及平均速度x(km/h)有关(不考虑其他因素),W由两部分的和组成:一部分与x的平方成正比,另一部分与x的n倍成正比.试行中得到了表中的数据.
(1)用含x和n的式子表示Q;
(2)若n=3,要使Q最大,确定x的值;
(3)设n=2,x=40,能否在n增加m%(m>0)同时x减少m%的情况下,而Q的值仍为420,若能,求出m的值;若不能,请说明理由.
次数n | 2 | 1 |
速度x | 40 | 60 |
指数Q | 420 | 100 |
(2)若n=3,要使Q最大,确定x的值;
(3)设n=2,x=40,能否在n增加m%(m>0)同时x减少m%的情况下,而Q的值仍为420,若能,求出m的值;若不能,请说明理由.
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5 . 已知实数
,满足
,
.当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d9712c3b25f3030e166e136d3a4686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52e1e0dd06a2d9d19da5383e257b4df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/947f5c378ddee70618ad72e8ee4d1170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d87401acf8df1dd6bf6780a0f3f0cb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f20407be10b42cf632ddef38b09cf6.png)
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6 . 设a、b、c是
中角A、B、C所对的边的长.二次函数
在
时,取得最小值
,则这个三角形三个内角的度数分别为:A=_______ ;B=_________ ;C=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42503f3fca76323ed4264179adedbecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c98a7f3a8bf384b1dfc1d34aebd46d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfdd459ebecd98f60e82caf60e190dd3.png)
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名校
7 . 如图是用长度相等的小棒按一定规律摆成的一组图案,第1个图案中有6根小棒,第2个图案中有11根小棒,…,则第n个图案中有 ____________ 根小棒.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/14/6cd3e47b-ba27-4eca-bc0b-14c62ceb5055.png?resizew=315)
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8 . 如图,在方格纸中,线段
的端点在格点上,通过平移其中两条线段,使得和第三条线段首尾相接组成三角形,则能组成三角形的不同平移方法有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d10449bc77d692a7270e0f20a68cdf2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/15/058015e0-698b-4fa4-858d-1a0cde269961.png?resizew=153)
A.3种 | B.6种 | C.8种 | D.12种 |
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9 . 若
(x、y是实数),则M的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e032cbfed165fe953d35a2ccf6ab7ec.png)
A.正数 | B.负数 |
C.零 | D.以上皆有可能 |
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10 . 《九章算术》作为古代中国的第一部自成体系的数学专著,与古希腊的《几何原本》并称现代数学的两大源泉.《九章算术》中将圆台称为“圆亭”.今有圆亭,被一过上底圆周上一点
且垂直于底面的平面
所截,截面交圆亭下底于
,若
尺,劣弧
上的点到弦
的距离的最大值为6寸,圆亭母线长为10寸,则该圆亭的体积约为(1尺
寸,
)( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/27/70c017d7-1b32-4655-b7ed-10d8cf03772a.png?resizew=157)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423ccf188ee6ac180f76891ca1ea41fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a3c450315612a9fa3fc9562f290bc04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8639b0b48393b0a99719216160822336.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/27/70c017d7-1b32-4655-b7ed-10d8cf03772a.png?resizew=157)
A.3528立方寸 | B.4410立方寸 | C.3.528立方寸 | D.4.41立方寸 |
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安徽省黄山市屯溪第一中学2022-2023学年高一下学期4月期中质量检测数学试题黑龙江省大庆市让胡路区大庆中学2022-2023学年高一下学期期末数学试题云南省红河州2023届高三第二次复习统一检测数学试题(已下线)专题08 立体几何(理科)(已下线)模块六 专题12 易错题目重组卷(云南卷)