名校
1 . 反比例函数
其中
的部分图象记为曲线
,将
沿y轴翻折,得到曲线
,直线
与
、
一共只有两个公共点,则b的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c5dbbd1a7f9932567099ee67f2443f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8e09440ba8161cda6b60eb3ca5dfd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9bd144e0e96e4236a14523e0729cacb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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解题方法
2 . 已知关于x一元二次方程
有两个实根
,
,(1)若
比3大,
比3小,则a的取值范围是______ ;(2)把
写成用含a表达式为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de9d53db986fa98cf9391c6d30870338.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
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3 . 根式运算:①若
,则x的取值范围是______ ;②化简![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6befb2396e904f04041bc022fc139383.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffbb00106dcc4f1b80a6e00dcc3b9c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6befb2396e904f04041bc022fc139383.png)
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4 . 已知抛物线
:
的焦点为
,
为坐标原点,
的准线
与
轴相交于点
,
为
上的一点,直线
与直线
相交于点
,若
,
,则
的标准方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/7f9e8449aad35c5d840a3395ea86df6d.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/e2c3d2cba96f6f03520c0b3f6e4da03e.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/a5ffe7c19950a208fe323dd860569861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58acf95344d6e5759cb2e05a6e61a151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2022-08-31更新
|
497次组卷
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11卷引用:湖南省益阳市桃江县第一中学2020-2021学年高二下学期入学考试数学试题
湖南省益阳市桃江县第一中学2020-2021学年高二下学期入学考试数学试题江西省江西师范大学附属中学2020-2021学年高二上学期期末考试数学(文)试题江西省江西师范大学附属中学2020-2021学年高二上学期期末考试数学(理)试题江西省宜春市奉新县第一中学2020-2021学年高二下学期第二次月考数学(理)试题江西省师范大学附属中学2021-2022学年高二上学期期末数学(理)试题江西省师范大学附属中学2021-2022学年高二上学期期末数学(文)试题2023版 湘教版(2019) 选修第一册 过关斩将 第3章 3.3.2 抛物线的简单几何性质(已下线)第07讲 抛物线 (高频考点,精讲)(已下线)3.3.1 抛物线的标准方程-2022-2023学年高二数学新教材同步配套教学讲义(苏教版2019选择性必修第一册)(已下线)江苏省八市2023届高三二模数学试题变式题11-16广东仲元中学2024届高三上学期9月月考数学试题
名校
5 . 如图所示,
是边长为1的正三角形
的
边上一点,从
向
作垂线
为垂足.延长
与
的延长线交于
,设
与
的面积之和为
,把
表示为
的函数:___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af8cf8e8e74ffbca80879e8266145d5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f6927cc2a930203ac34366383e76ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95067389619ea53fe76aed500e7ce80d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c036eb374274491f675ec50552d517a.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/20/52002e65-e19b-4318-93cd-cdd556254f22.png?resizew=162)
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6 . 如果多项式
可以分解成两个一次因式的积,那么整数
的值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93752ce4d4e9917fd71c69ff76e9a0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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7 . 若化简
的结果为
,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195812e1199a7e78beae678e3ec39a45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553086e03105c838cd28997d55b5dd01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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8 . 小明、小林和小颖共解出100道数学题,每人都解出了其中的60道,如果将其中只有1人解出的题叫做难题,2人解出的题叫做中档题,3人都解出的题叫做容易题,那么难题比容易题多___________ 道.
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9 . 已知
为方程
的两实根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499bf45c7b49288332834f875cb1e7b4.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e4f5a72c45fd8e9d6d2726a09bdf2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499bf45c7b49288332834f875cb1e7b4.png)
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10 . 已知点
是一次函数
的图象与反比例函数
的图象在第一象限内的交点,点
在
轴的负半轴上,且
(
为坐标原点),则
的面积为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef854dfcbba9b7dedc1bc52f6332b011.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/9fca3734de79f7f50b552ef62b29dc7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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2022-08-28更新
|
167次组卷
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2卷引用:湖南师范大学附属中学2021-2022学年高一上学期入学考试数学试题