名校
1 . 如图,抛物线
交
轴于A,B两点,交
轴于点
,
是第一象限内抛物线上的一个动点.
(1)求点A,B,C的坐标;
(2)求
面积的最大值;
(3)将
绕点
顺时针旋转
后,点
落在点
的位置,将抛物线沿
轴平移后经过点
,求平移后所得抛物线的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91265eb2261b796fc204757eca5466dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/21/436aab0e-1c43-4860-b2ae-95c50584e58d.png?resizew=143)
(1)求点A,B,C的坐标;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147de24f071e316b68fd2e78e3c84545.png)
(3)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbf9680f74a9ac5d934304654ce2771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2023-11-03更新
|
92次组卷
|
2卷引用:云南省昆明市呈贡区第三中学2023-2024学年九年级上学期期中数学试题
名校
2 . 如图所示,在平面直角坐标系中,抛物线经过
,
,
.
(1)求抛物线的解析式;
(2)该抛物线上有一点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4e5bf2fc46de6d148602f505614c4e.png)
不与点
、
、
重合
,使得
,求点
的坐标;
(3)点
是线段
上的动点
不与点
、点
重合
,过点
作
轴交抛物线于点
,求线段
的最大值及此时
点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c84818cfbd9a885081cb4e3294eabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55d12701014cf53071093e8739d089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4129098ad406f5d89c02c3b1c4b905d8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/13/b903a07d-e1c6-44e5-82eb-e94521fdee95.png?resizew=393)
(1)求抛物线的解析式;
(2)该抛物线上有一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4e5bf2fc46de6d148602f505614c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19fd08c188ce82b6a0074a755246badd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(3)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/989cef39186a792f65ee5dbc18082fde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be602a29cad9e1fb71072174e77eaf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
3 . 如图,抛物线
与
轴交于
,
两点(点
在点
的左侧),且点
为
,与
轴交于点
,直线
经过
,
两点,点
是第一象限内抛物线上的一个动点,连接
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/bb938574-14c2-449c-b83b-6a0a849f5108.png?resizew=182)
(1)求抛物线的函数表达式;
(2)直线
的解析式记为
,当
时,直接写出
的取值范围;
(3)设点
的横坐标为
,四边形
的面积为
,求
的最大值并求出此时点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442834866daf52da017a459b05d8031b.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e32f16d75ccb62a04970f861827fca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec32b9cfee142d1d4f68ab4771de77c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/bb938574-14c2-449c-b83b-6a0a849f5108.png?resizew=182)
(1)求抛物线的函数表达式;
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed06ccefffc165f9c77250cd28301d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22cccd1f9e838f8065f004ac14377b8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f7c674f87a67fde99afceb3cfd8189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
4 . 如图,二次函数
的图象经过坐标原点,与x轴交于点
.
(1)求二次函数的解析式;
(2)当x为何值时,函数有最大值还是最小值?并求出最值;
(3)在抛物线上是否存在点P,满足
,若存在,请求出点P的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530a9976281288e0b1e1fb2601ebf18e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a525534689bd2701205d4ab17574c39.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/30/79ec4adf-1e54-4566-9cc9-93ef32ffd03c.png?resizew=160)
(1)求二次函数的解析式;
(2)当x为何值时,函数有最大值还是最小值?并求出最值;
(3)在抛物线上是否存在点P,满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5aead5d7ba40d88076b227b1436fcd.png)
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5 . 我们不妨约定:在平面直角坐标系中,若某直线
经过抛物线
(
,
,
是常数,
)的顶点和该抛物线与
轴的交点,则把该直线
称为抛物线
的“心心相融线”.根据该约定,请完成下列各题:
(1)若直线
是抛物线
的“心心相融线”,求
的值.
(2)若过原点的抛物线
(
,
是常数,且
)的“心心相融线”为
,则代数式
是否为定值?若是,请求出该定值;若不是,请说明理由.
(3)当常数
满足
时,求抛物线
(
,
,
是常数,
)的“心心相融线”
与
轴,
轴所围成的三角形面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04be2c79a792c5f15de83506382d192.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6767830cc1811f0f4ea5a008fdc7e723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5109eb35b9c16fc5e128198a1819a44c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若过原点的抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43091dee99247e22161194ddb2222d29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03b011f69dfc5262a3d82f64676739b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02dd116a0c9e6820b98b2b368a65f687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3a0459712f22cf44da9c436ed61f2e5.png)
(3)当常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b2b3201592004941e42a4d3b4e117f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc93883a2b6acbbac751522ebb9df93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次
2023-10-18更新
|
132次组卷
|
2卷引用:云南省昆明市官渡区长丰学校2023-2024学年九年级上学期期中数学试题
6 . 已知:如图直线
与抛物线
交于A、B两点,C是抛物线顶点.
![](https://img.xkw.com/dksih/QBM/2023/9/1/3315379669327872/3332287082610688/STEM/54c8ce6fe9944f749954fa07b2697c59.png?resizew=209)
(1)求A、B、C点的坐标;
(2)求
的面积;
(3)直接写出
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9c6530fa1662b3306667c465d41bfdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c28b4f0234b698f001e7dec787b4d44.png)
![](https://img.xkw.com/dksih/QBM/2023/9/1/3315379669327872/3332287082610688/STEM/54c8ce6fe9944f749954fa07b2697c59.png?resizew=209)
(1)求A、B、C点的坐标;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/956d9cbaec14a1e238585147480f75e5.png)
您最近一年使用:0次
名校
7 . 如图,在
,
,该三角形的三个顶点均在坐标轴上.二次函数
过
.
(1)求二次函数的解析式;
(2)点
为该二次函数第一象限上一点,当
的面积最大时,求
点的坐标;
(3)
为二次函数上一点,
为
轴上一点,当
成的四边形是平行四边形时,直接写出
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/330c1d67129914bb5346a4ff6ee1832c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/13/226ae439-d59c-4445-a4cd-0ff5aac3fdd4.jpg?resizew=156)
(1)求二次函数的解析式;
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357265c532428e886a643e8e653eec9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/040a361ef61b0afd4a58f663f97f40ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
您最近一年使用:0次
2023-09-23更新
|
449次组卷
|
5卷引用:云南省昆明市官渡区昆明市第十二中学2023-2024学年九年级上学期期中数学试题
名校
8 . 如图,是二次函数
的图象的一部分,根据图象回答下列问题:
(1)确定
的值
(2)设抛物线的顶点是
,
是
轴上的一个点,若
的面积为6,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3a152d24394d1ad0fd698dfea70a6c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/14/1d4f086b-e56f-4aee-a321-b12c1b242958.png?resizew=178)
(1)确定
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设抛物线的顶点是
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
9 . 如图1,抛物线 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc07c05b432a31cacf8856022029e997.png)
与轴交于
,
两点(点
在点
的左侧),抛物线上另有一点
在第四象限内,连接
,
,
,已知
,
.
(1)点
的坐标为点 ,
的为 ;
(2)求抛物线的解析式
(3)如图2,
为抛物线上点
与点
之间一动点,且不与点
,
重合,点
的横坐标为
,连接
,
,当
取何值时四边形
的面积最大?最大面积为多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc07c05b432a31cacf8856022029e997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf8197e4f3fd18815045d29c357a863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ff26eeabfaef6e944082999e39e814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/16/f0ff9817-cd05-4c2d-b256-5f340f22a956.png?resizew=440)
(1)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求抛物线的解析式
(3)如图2,
![](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/c5db41a1f31d6baee7c69990811edb9f.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a31c168b883daa13e8a284c1770527b5.png)
您最近一年使用:0次
22-23九年级上·云南临沧·期末
10 . 如图,抛物线
与x轴交于
、
两点,与y轴交于点C.
(2)若点D是抛物线上的一点,当
的面积为10时,求点D的坐标;
(3)点P是抛物线对称轴上的一点,在抛物线上是否存在一点Q,使得以B、C、P、Q为顶点的四边形是平行四边形?若存在,求出点Q的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358e2987096a67189bcc2a642da39524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ef03f452410ab19c6246567c427178.png)
(2)若点D是抛物线上的一点,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
(3)点P是抛物线对称轴上的一点,在抛物线上是否存在一点Q,使得以B、C、P、Q为顶点的四边形是平行四边形?若存在,求出点Q的坐标;若不存在,请说明理由.
您最近一年使用:0次
2023-08-14更新
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497次组卷
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7卷引用:云南省临沧市耿马傣族佤族自治县2022-2023学年九年级上学期期末数学试题
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