如图在平面直角坐标系中,一次函数
的图象与
轴交于点
,与
轴交于点
,二次函数
的图象经过
,
两点,且与
轴的负半轴交于点
,动点
在直线
下方的二次函数图象上.
(2)如图2,过点
作
于点
,是否存在点
,使得
中的某个角恰好等于
的2倍?若存在,直接写出点
的横坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24edd2a1d145627d07330524017daf5c.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c468dc5cc34c14a188493a21019e8f83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)如图2,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07789d6a8259ac89144caa816aaaf47d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e59b7c0d4a0b312e674b7bb061240b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
2024九年级下·江苏·专题练习 查看更多[1]
(已下线)专题04 二次函数与几何综合-2024年中考数学二轮热点题型归纳与变式演练(江苏专用)
更新时间:2024-05-13 14:19:20
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】如图,已知二次函数
的图像
经过
,
两点,顶点为
.
![](https://img.xkw.com/dksih/QBM/2023/5/14/3237793199415296/3241794568724480/STEM/a0745982b33d440ba8351b156e6219e8.png?resizew=206)
(1)求该二次函数的解析式和顶点
的坐标
(2)设图像
的对称轴为
,点
是图像
上一动点,当
的面积为
时,点
关于
的对称点为
,能否在图像
和
上分别找到点
,
,使得以点
、
、
、
为顶点的是四边形为平行四边形?若能,求出点
的坐标;若不能,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b286a72a818ccc52e63581841da08dd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57f8296d33ca4da89c7d2eda8467bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2023/5/14/3237793199415296/3241794568724480/STEM/a0745982b33d440ba8351b156e6219e8.png?resizew=206)
(1)求该二次函数的解析式和顶点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)设图像
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a8dcad28b362324c66b62811e09f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2145312d0dca7122aa4e2d1ccc8913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】在平面直角坐标系
中,有一函数
过点
.
(1)若
,
是一元二次方程
的两个实数根,求
的可能取值.
(2)过
作直线
,讨论直线
与函数的交点个数(此时
为确定的实数).
(3)过原点作一条直线
交该函数于另一点
,再过
作垂直于
的直线
交抛物线另一点于
,请试探究
面积的取值范围(此时
为确定的实数)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2beb91f10d2d8f2aa0dcc3f5cd1598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf210c8c9e83e70f2d3ede1e18a5f3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d768f47a34f941657e86df1d42e9f9be.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9939dc0caf74052757f2eec44bb0662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b2c90d5b7c4c08d23f39a864d600043.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)过原点作一条直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae7a3e520a16d4fdd73c4e6a4ce7be0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】如图,在
中,
,
平分
交
于点D,O为
上一点,经过点A,D的
分别交
于点E,F.
是
的切线;
(2)若
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dec2ca6438c82b43f746057d8129885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3032820a0d2d50d9143e7923f5936ddf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc560914a24fb80a6608da7a188f8724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】如图,,
是以
为直径的半圆
上的两点,
,
,
交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/22/bd607c99-0231-4549-8497-b08c6d01c070.png?resizew=139)
(1)请用无刻度的直尺和圆规过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
(2)若(1)中所作的垂线与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780e1e092215e7022905b5a6f2116898.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955f4f211d4ad8f2a61e209b934cb079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ccea461315a9d05aa0193b937d4bfe.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐3】有若干张全等的矩形卡纸.如图所示,用8张矩形卡纸可拼成如图1的大矩形;也可拼成如图2 的正方形,但中间还留有一个边长为8cm的小正方形.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/5/4ad996f6-9afa-4d97-a35b-19a042ac7a54.png?resizew=725)
(1)求每张卡纸的长和宽.
(2)在每张卡纸上,可以按图3裁剪出5个全等矩形,或按图4裁剪出3个全等矩形和10个全等正三角形(裁剪后边角料不再利用).用这些裁剪后的卡纸来制作正三棱柱盒子,每个正三棱柱盒子是由3个矩形侧面和2个正三角形底面组成;请通过计算说明,做好的正三棱柱盒子,最大能放入直径为多少cm的球体物品?(
,结果精确到0.1)
(3)现有14张卡纸,按第(2)问中的方法裁剪好,制作成正三棱柱盒子,使裁剪出的侧面和底面恰好全部用完,14张卡纸是否能满足这个要求?若能满足,求所做的正三棱柱盒子的个数;若不能满足,则至少要增加多少张卡纸,才能满足要求?请说明你的理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/5/4ad996f6-9afa-4d97-a35b-19a042ac7a54.png?resizew=725)
(1)求每张卡纸的长和宽.
(2)在每张卡纸上,可以按图3裁剪出5个全等矩形,或按图4裁剪出3个全等矩形和10个全等正三角形(裁剪后边角料不再利用).用这些裁剪后的卡纸来制作正三棱柱盒子,每个正三棱柱盒子是由3个矩形侧面和2个正三角形底面组成;请通过计算说明,做好的正三棱柱盒子,最大能放入直径为多少cm的球体物品?(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47bb3f35e3db7c1f3a3dd3eb20151b5f.png)
(3)现有14张卡纸,按第(2)问中的方法裁剪好,制作成正三棱柱盒子,使裁剪出的侧面和底面恰好全部用完,14张卡纸是否能满足这个要求?若能满足,求所做的正三棱柱盒子的个数;若不能满足,则至少要增加多少张卡纸,才能满足要求?请说明你的理由.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】如图,在直角坐标系
中,二次函数
的图像与
轴相交于
,
两点.
(2)在这条抛物线的对称轴右边的图像上有一点
,使
的面积等于6,求点
的坐标;
(3)对于(2)中的点
,在此抛物线上是否存在点
,使
?若存在,求出点
的坐标,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/732d406c5571feb0287fda30f83081f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701f3b0e2bedfe5195443459072d798e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
(2)在这条抛物线的对称轴右边的图像上有一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c80df6a56b63ecdb571ee254bd1b4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
(3)对于(2)中的点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6205b27b3ca32cc1121d84b958b7488b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,已知抛物线过平面直角坐标系中
、
、
三个点.
(1)求抛物线的表达式及顶点D的坐标.
(2)如图②连接
,求
的面积.
(3)点P是抛物线上的一点,已知
,求满足条件的P点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ef03f452410ab19c6246567c427178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c052d7af2f98d95bac8725b608fba0fc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/8/5a753a7e-ab52-47f2-9c2e-ffcbf097c7e1.png?resizew=373)
(1)求抛物线的表达式及顶点D的坐标.
(2)如图②连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b2f1261864c112a585e96019c06a36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
(3)点P是抛物线上的一点,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/739def6d04e947077298a21309ca820c.png)
您最近一年使用:0次