1 . 已知:如图,抛物线
与
轴交于
两点,与
轴交于点
,
,顶点为
.
(2)在直线
下方的抛物线上,是否存在一点
,使四边形
的面积最大?最大面积是多少?
(3)点
在
轴上的一个动点,点
是坐标平面上的一个动点,是否存在这样的点
和点
,使点
构成矩形,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/22e59da5115d0dafea24822245f92c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.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/ac8afcd896c25f11b18ea574b37b60d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb34a1c3ab87b1a371a17d71cc98049.png)
(3)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264e78b5e46b30c129d693005848cc09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a373959bb9026f8a09845c0b828bf82.png)
您最近一年使用:0次
2024-04-16更新
|
232次组卷
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2卷引用:2024年山东省聊城市莘县部分学校中考数学一模模拟试题
2 . 如图,二次函数
的图象与
轴交于点
,
,与
轴交于点
,抛物线的顶点为
;
的坐标;
(2)若点
为直线
上方的抛物线上的一点,过点
作垂直于
轴的直线
交直线
于点
是否存在点
,使四边形
为平行四边形?若存在,求出点
的坐标;若不存在,请说明理由;
(3)若
为抛物线上一个动点,连接
,过点
作
交抛物线对称轴于点
,当
时,请直接写出点
的横坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e879263725e299745ff51d3c987ff7c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d57173ef4cd72eb270686875dfd623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69fff64ee6ea236550185efc7ed1b598.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af00a2603bb1c492527537d60949c76c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c91573b4b4e8803a4a3abf854f2c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dafebaaf13781120dc57c277d0267c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cae09ce01db18bb07f59f53b55c57f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b053a4c7b1a90dbff45e1fac8ee2e40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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3 . 在平面直角坐标系中,抛物线y =ax2+bx-3与x轴交于点A(-1,0)和点B(3,0),与y轴交于点C.
(2)若点P为第四象限内抛物线上一点,当△PBC面积最大时,求点P的坐标;
(3)若点P为抛物线上一点,点Q是线段BC上一点(点Q不与两端点重合),是否存在以P、Q、O为顶点的三角形是等腰直角三角形,若存在,请直接写出满足条件的点P的坐标;若不存在,请说明理由.
(2)若点P为第四象限内抛物线上一点,当△PBC面积最大时,求点P的坐标;
(3)若点P为抛物线上一点,点Q是线段BC上一点(点Q不与两端点重合),是否存在以P、Q、O为顶点的三角形是等腰直角三角形,若存在,请直接写出满足条件的点P的坐标;若不存在,请说明理由.
您最近一年使用:0次
2024-04-15更新
|
246次组卷
|
5卷引用:山东省济宁市邹城市2023-2024学年九年级上学期期末数学试题
山东省济宁市邹城市2023-2024学年九年级上学期期末数学试题2024年山东省济南市中考数学模拟预测题(六)2024年山东省枣庄市滕州市滕南中学九年级中考数学一模模拟试题2024年四川省内江市东兴区部分学校九年级一模考试数学模拟试题(已下线)2024年四川省达州市中考数学真题变式题21-25题
4 . 已知抛物线
与x轴交于
,
两点,与y轴交于点 C.
(2)如图1,点D是线段
上的一动点,连接
,
,将
沿直线
翻折,得到
,当点
恰好落在抛物线的对称轴上时,求点D的坐标;
(3)如图2,动点P在直线
下方的抛物线上,过点P作直线
的垂线,分别交直线
,线段
于点E,F,过点F作
轴,垂足为G,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b286a72a818ccc52e63581841da08dd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/586d6b7a54a256cb0ecd0ea2d8262f6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddbb898663f98b8400a897913b4d3102.png)
(2)如图1,点D是线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42357598a706021b7328cd05f716c90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
(3)如图2,动点P在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.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/5587dfcf5bcac1446e62567cc3967120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d123f85b75214ce85cdd84efebab6556.png)
您最近一年使用:0次
5 . 如图,直线
交
轴于点
,交
轴于点
,抛物线
经过点
,点
,且交
轴于另一点
.
(2)在直线
上方的抛物线上有一点
,求四边形
面积的最大值及此时点
的坐标;
(3)将线段
绕
轴上的动点
顺时针旋转
得到线段
,若线段
与抛物线只有一个公共点,请结合函数图象,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e434a6fc177990ab7f2b604c111e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18269e4b2c08f69b719c4c7e7d71733.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0760712e3e2ea02b755b751e760d0c55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)将线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd5a9d9ac5d8c5ed449328cb9e02df1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b48e33eaa40d01f976230d4b73ae91dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b48e33eaa40d01f976230d4b73ae91dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
6 . 已知二次函数
(
是常数,
).
(1)若
,求该函数图象顶点坐标;
(2)若该二次函数图象经过
三个点中的一个点,求该二次函数的表达式;
(3)若
,当
时,
的最大值记为
,最小值记为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd59dfa78438d38619b353b7881c349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e9222ffc26c0e6bfbf252ab5d8a520.png)
(2)若该二次函数图象经过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e36c73dac0e23b68d46aa28892b628f0.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1d0169d2809aacb34cf9d70165a3cdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ac8ebedafa300c895540c5e5dda755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd59dfa78438d38619b353b7881c349.png)
![](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/9bb29b832f791c1a543a520a767c1094.png)
您最近一年使用:0次
2024-04-08更新
|
142次组卷
|
3卷引用:2024年山东省枣庄市山亭区中考数学二模试题
名校
7 . 如图1,在平面直角坐标系中,抛物线
与x轴交于
、
两点(点A在点B的左侧),与y轴交于点C,点
,连接
.
(2)点P是线段
上一点,过点P作
轴交抛物线于点Q,交线段
于点E,点F是直线
上一点,连接
,
,求
的周长最大值.
(3)如图2,已知
,将抛物线上下平移,设平移后的抛物线在对称轴右侧部分与直线
交于点N,连接
,当
是等腰三角形时,直接写出抛物线的平移距离d的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a1b01c1a6d9a929a4e1d0d532ca8f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a525534689bd2701205d4ab17574c39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c850811ba59a05e945a665196539a048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c95963e8e4dcc511f0d86b1853ddcdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)点P是线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2784a52c4da98dc9df661fc152fc29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632917e61f4208959686d118c7f19231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0012c7c51b621b96d2186ac7d0dfafa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65dc56950b17bd316c5d502413546c9c.png)
(3)如图2,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a08e1f3a9fc4265c20cb381071a322e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eef1f7b9adab87736321e30949a4d668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8bd01cd837bc582032269ea383200b1.png)
您最近一年使用:0次
2024-04-01更新
|
292次组卷
|
5卷引用:2024年山东省济南市部分学校九年级中考数学三模试题
名校
8 . 如图,在平面直角坐标系中,抛物线
与x轴交于A,
两点,与y轴交于点
,点P是第三象限内抛物线上的一个动点,连接
,
,
.
(2)
的面积是否存在最大值?若存在,请求出
面积的最大值及此时P的坐标;若不存在,请说明理由;
(3)设直线
与直线
交于点
,若存在
与
中一个是另一个的2倍,请直接写出点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e59da5115d0dafea24822245f92c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d4218690b49de906a22dda72c578956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da5abc4464f8c0424a6c896617321757.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357265c532428e886a643e8e653eec9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357265c532428e886a643e8e653eec9e.png)
(3)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c7bbe0ac1c88c9d35978a7184ba553.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
2024-04-01更新
|
149次组卷
|
4卷引用:山东省淄博市张店区2023-2024学年九年级上学期期末数学试题
9 . 已知二次函数
(b为常数).
(1)该函数图象与x轴交于A,B两点,若点A的坐标为
,则:
①b的值是_________,点B的坐标是:____________;
②当
时,结合图象直接写出自变量x的取值范围;
(2)若对于一切实数x,函数值
总成立,求t的取值范围(用含b的式子表示);
(3)已知当
时(其中m,n为实数,
),自变量x的取值范围是
,求m和b的值以及n的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a033920f0c2cd03fb274942ee918b153.png)
(1)该函数图象与x轴交于A,B两点,若点A的坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2a5e336b6bcba6354fd366c892dd06.png)
①b的值是_________,点B的坐标是:____________;
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc92d8cb79f0dcfad997a183af12676.png)
(2)若对于一切实数x,函数值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a82c636e448bba88b9693553c44f8a6.png)
(3)已知当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5a1ff29f72777a945e45eafda2d91a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bbf400a62116ba29a8d53872eece67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1f58411b4306bb81996a7a71e895a3.png)
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名校
10 . 如图,在平面直角坐标系中,抛物线
过点
,且交
轴于点
,
两点,交
轴于点
.
(2)点
是直线
上方抛物线上的一动点,过点
作
于点
,过点
作
轴的平行线交直线
于点
:
①当点P运动到抛物线顶点时,求此时
的面积;
②点
在运动的过程中,是否存在
周长的最大值,若存在,请求出
周长的最大值及此时点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d8de071a9c22c96a59b172d76c127e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be3ad3dd6803d92df6ff8a80cd35095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311497849126f1aaf1da0ec75602eabf.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)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65334978b0519b379910dfc4acf8344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
①当点P运动到抛物线顶点时,求此时
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cff7399ecc698e2fb415147c96d0d03.png)
②点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cff7399ecc698e2fb415147c96d0d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cff7399ecc698e2fb415147c96d0d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2024-03-31更新
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229次组卷
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3卷引用:2024年山东省淄博市高青县中考一模数学试题