如图,在四边形
中,
,
,连接
,满足
,
,
.动点
从点
出发,沿
以1个单位长度每秒的速度运动,到达点
时停止运动.连接
设点
的运动时间为
,
的面积为
.
与
之间的函数关系式以及对应的
的取值范围
(2)请在直角坐标系中画出
的图象,并写出函数
的一条性质;
(3)若函数
的图象与
的函数图象有两个交点,直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f89deb952f57f4b3fa4887b098b7b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532aece6cfd67e2a97977eed978dbf2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5347fb06cc3e48a1fb482c8e30dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177678001b2ccde1db8f57fa5e017002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)请在直角坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2236083a2e2635c0e4cba51576b885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
更新时间:2024-06-12 13:31:56
|
相似题推荐
解答题-问答题
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适中
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名校
【推荐1】如图在平面直角坐标系中,点O为坐标原点,
为平行四边形,点A坐标为:
,点C在x轴正半轴上,且
,直线
交y轴于点M,
与y轴相交于点H.
(1)求直线
的解析式;
(2)连接
,动点P从点A出发,沿折线
方向以2个单位/秒的速度向终点C匀速运动,设
的面积为
,点P的运动时间为t秒,求S与t之间的关系式(要求写出自变量t的取值范围).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607543bb9f55b8a141ed2d6cf0e1a20b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60e43d246256ad67cfffb042ed0bd591.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a23f35ebcd9799d82c1e41c09781a4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/28/41379f97-7578-4c97-9bb9-8401d2e48058.png?resizew=220)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cbfbedd45e9f0b994bfcd51e0376fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1adcbbddb7cacdc5c517cd9b8f0b36e3.png)
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【推荐2】如图,在平面直角坐标系中,抛物线
与直线
(m、b均为常数)交于点
和点B.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/c2b4fa8e-a315-4429-884a-d4a868b8eb5a.png?resizew=169)
(1)求m和b的值;
(2)求点B的坐标,并结合图象写出不等式
的解集;
(3)点M是直线AB上的一个动点,点N在点M正下方(即
轴),且
,若线段MN与抛物线只有一个公共点,请直接写出点M的横坐标
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a8a971c8810b6e5e2c20df8a71e094.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9bd144e0e96e4236a14523e0729cacb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/c2b4fa8e-a315-4429-884a-d4a868b8eb5a.png?resizew=169)
(1)求m和b的值;
(2)求点B的坐标,并结合图象写出不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74ce4d52ff5ef5c1df2475bed4c8721a.png)
(3)点M是直线AB上的一个动点,点N在点M正下方(即
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf20f734ac54ab0eec2e1c170a3a24f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e5c289b8aabdbfba95c7fd1e1842f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea17ffdc0adcfb4f0ec4781c4e0186e9.png)
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名校
【推荐1】已知一次函数y=kx+b的图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/aebadc22-60ae-442e-b900-c2dade2ee6d5.png?resizew=222)
(1)确定k、b的符号;
(2)若点(﹣1,p),(2,t)在函数图象上,比较p、t的大小.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/aebadc22-60ae-442e-b900-c2dade2ee6d5.png?resizew=222)
(1)确定k、b的符号;
(2)若点(﹣1,p),(2,t)在函数图象上,比较p、t的大小.
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【推荐2】已知一次函数
.
(1)当m、n为何值时,函数的图像过原点?
(2)当m、n满足什么条件时,函数的图像经过二、三、四象限?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d94fc3c5d6435734ce6d0f3e746a91.png)
(1)当m、n为何值时,函数的图像过原点?
(2)当m、n满足什么条件时,函数的图像经过二、三、四象限?
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【推荐1】甲、乙两商场以同样的价格出售同样的商品,并且又各自推出不同的优惠方案:在甲商场按累计购物的九折收费;在乙商场累计购物超过200元后,超过200元的部分按八折收费.设顾客累计购物x(单位:元),购物花费y(单位:元).
(1)分别写出在甲、乙两个商场购物时,y关于x的函数解析式;
(2)顾客到哪家商场购物花费少?
(1)分别写出在甲、乙两个商场购物时,y关于x的函数解析式;
(2)顾客到哪家商场购物花费少?
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解答题-作图题
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适中
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【推荐2】已知一次函数
的图像与直线
相交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/0a899ff9-3e6f-4782-b1fe-60996fcfd0bf.png?resizew=281)
(1)求出b的值,并画出一次函数
的图像;
(2)利用函数图像回答:不等式
的解集为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9bd144e0e96e4236a14523e0729cacb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a9b769d70cb6f29e965c800921c8ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627b7b7b7ea0bbf3ddab5495b202fef6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/0a899ff9-3e6f-4782-b1fe-60996fcfd0bf.png?resizew=281)
(1)求出b的值,并画出一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9bd144e0e96e4236a14523e0729cacb.png)
(2)利用函数图像回答:不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c43c4855bc66d4f25acc5f7112b07a07.png)
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【推荐1】综合与实践
某兴趣小组为研究特殊三角形旋转时“点、线、面”在特殊位置时的特殊结论,小组成员选取了两个完全相同的含
角的三角尺如图①摆放,其中
.保持
不动,将
绕着直角顶点C顺时针旋转一个角度
(
),与边BC交于点D(如图②).
![](https://img.xkw.com/dksih/QBM/2022/4/25/2965599500869632/2987969218863104/STEM/eff4fbf1-0b4e-44df-a2f4-54a59b9fdb6e.png?resizew=161)
![](https://img.xkw.com/dksih/QBM/2022/4/25/2965599500869632/2987969218863104/STEM/045d8e21-4bbf-479f-8ec7-c0847d97d9ab.png?resizew=208)
![](https://img.xkw.com/dksih/QBM/2022/4/25/2965599500869632/2987969218863104/STEM/989b82c5-9c5f-4439-9437-63b6434ffe09.png?resizew=209)
![](https://img.xkw.com/dksih/QBM/2022/4/25/2965599500869632/2987969218863104/STEM/14b20c27-08a2-4a6b-9f18-0020f6dfaad7.png?resizew=265)
(1)如图②,当
时,
与AB的位置关系是__________,判断此时
的形状并证明.
(2)如图③,当
__________时,
是等腰三角形.
(3)如图④,当
继续旋转至点
、
、B三点共线时,连接
,求
的长.
某兴趣小组为研究特殊三角形旋转时“点、线、面”在特殊位置时的特殊结论,小组成员选取了两个完全相同的含
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3370fa9a9d839ce7a3140ff810a5775a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b185184dc2dc3894a0313fd13f26a59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b7b8ee010fcc6aa1a0139ae64fa5ec.png)
![](https://img.xkw.com/dksih/QBM/2022/4/25/2965599500869632/2987969218863104/STEM/eff4fbf1-0b4e-44df-a2f4-54a59b9fdb6e.png?resizew=161)
![](https://img.xkw.com/dksih/QBM/2022/4/25/2965599500869632/2987969218863104/STEM/045d8e21-4bbf-479f-8ec7-c0847d97d9ab.png?resizew=208)
![](https://img.xkw.com/dksih/QBM/2022/4/25/2965599500869632/2987969218863104/STEM/989b82c5-9c5f-4439-9437-63b6434ffe09.png?resizew=209)
![](https://img.xkw.com/dksih/QBM/2022/4/25/2965599500869632/2987969218863104/STEM/14b20c27-08a2-4a6b-9f18-0020f6dfaad7.png?resizew=265)
(1)如图②,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c96cb3ac8290e09c55d4eb336a8608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/020ebe1219437129358b986eb9e70bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172f1b400d9ddec4ea01f6fd040b3802.png)
(2)如图③,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1c3a59c194a2365abcd14cc3f0e6d25.png)
(3)如图④,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b185184dc2dc3894a0313fd13f26a59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4cfbcf4ecbca8f964985f4a2d3700ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac7856b843caf384fca612ce663f21c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943712a5e96b16cc15d775cc4687237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943712a5e96b16cc15d775cc4687237e.png)
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解答题-作图题
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适中
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【推荐2】如图,在平面直角坐标系中,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/635a1adb-fe1d-4bce-b252-ec704d3d4241.png?resizew=212)
(1)在图中作出
关于
轴对称的
,并写出
顶点的坐标;
(2)求
的周长;
(3)在
轴上找一点
,使
最小,点
的坐标为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74570f500e1313834258d7453a44cd99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9c191ffc56269b81b0d577416fac68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a1a843e25ebb752cea96f28ef5c0eb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/635a1adb-fe1d-4bce-b252-ec704d3d4241.png?resizew=212)
(1)在图中作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d5c49d49b35e2a2cf2596c85d504b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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