名校
1 . 设一元二次方程
的两实根分别为
,则
满足( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a164c67923fa020735240b3836c7fa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b3f51410d969f9fb41a595a028a6f06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() ![]() |
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2 . 解下列不等式
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e1098ebb258c8d5dd5cfc8aaf1eb36.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c96a0888fc05a11b348b6d5c24f1faae.png)
(3)解关于
的不等式
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e1098ebb258c8d5dd5cfc8aaf1eb36.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c96a0888fc05a11b348b6d5c24f1faae.png)
(3)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13bf87fd5308fd89bb1b54bb24e74a12.png)
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3 . 因式分解
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa106f14236800b0a1f5285fe09c1ba5.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bf901a3599c323a59e75305d093374a.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3139490192459123958ae5178dbced8f.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa106f14236800b0a1f5285fe09c1ba5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bf901a3599c323a59e75305d093374a.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3139490192459123958ae5178dbced8f.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8648230c21cead1d77e90c90a242add7.png)
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解题方法
4 . 已知函数
,当
时,
有最大值
,最小值
,则
的值为_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e75f8077946c15aeef8d2c06925cbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53168695826b0a33a23067b76173c7e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/20d6fc9b90f370fbb27552876b650f8f.png)
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5 . 已知
则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7a08897d09dd0375375c7384c9a031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 将抛物线
向下平移2个单位,再向右平移3个单位,则平移后抛物线的函数表达式为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50ec5de2aec36b41a1c137ee9890c8d3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
7 . 已知函数
在
上的最大值为4,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a2f80962e55a4d6da60361355a8eeb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a12a30935c79ae769818043a496f53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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8 . 如图所示,在边长为
的正方形铁皮上剪下一个扇形和一个圆,使之恰好围成一个圆锥,则圆锥的高为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d859842ce65222afd7cb1fa8d06c0376.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-02更新
|
379次组卷
|
3卷引用:安徽省宣城市宁国中学2023-2024学年高一上学期实验班新生入学考试数学试题
名校
9 . 在平面直角坐标系中,直线l与抛物线
交于
、
两点,点
在抛物线上,
是
轴上一动点.
(1)求直线l和抛物线
的解析式;
(2)如图1,
为抛物线
上位于直线l下方一动点,过
作
垂直于x轴交直线l于
,当线段
长度最大时,求
的最大值;
(3)如图2,
为抛物线
的顶点,y轴上是否存在点M,使得
?若存在,求出点M的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e2f3a811787b14bcabdb6a4cd49da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0898eaf39239999c25447d0512c95f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585739fbbb741c51cdecdb39c30c0ebc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e20ba7e4b42a007bf8c2846bcab995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/874cbdb3-fff4-4ddc-be75-e24328eb7b84.png?resizew=299)
(1)求直线l和抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)如图1,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d82bbfaf8a2aa02ec01210b8b6fa8d13.png)
(3)如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb02779236aff6a174a29dff0b2524f0.png)
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10 . 如图,
中,
,
,
,
分别为
边上三点,
在边
上,且
和
均为等边三角形.则
边
上的高为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6684304a7537da9517c889c9cbf90a48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5d0162d0ee5286bf0f1996d7180382.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb26f0163aa641213e18090181ae913e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/8/74cb4fcb-e1d4-4d28-a41b-1c497a2f39d4.png?resizew=156)
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