名校
1 . 若命题“
,
”为假命题,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51a1d74070aa24197c58915387b534b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-03-01更新
|
293次组卷
|
2卷引用:四川省攀枝花市2023-2024学年高一上学期1月质检数学试卷
名校
解题方法
2 . 已知定义在
上的奇函数
,对
,
,且当
时,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fafc9c269cc442e1c29a5a2873996772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41bcbc822bae29210d078d1a1101462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebadf71a3c73c1d82ae821018a7f67c0.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.不等式![]() ![]() |
您最近一年使用:0次
2024-03-01更新
|
230次组卷
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2卷引用:四川省攀枝花市2023-2024学年高一上学期1月质检数学试卷
名校
3 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5812cd5d152abca545805c13fa8b667e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af1b02b8f75a9df34a8ae0d6dc79d528.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5272a259a8ce3cb7045498e642b9f832.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-03-01更新
|
471次组卷
|
3卷引用:四川省攀枝花市2023-2024学年高一上学期1月质检数学试卷
4 . 对抛物线
,下列描述正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48f28aeccf369df5980ac787e9e313f.png)
A.开口向上,焦点为![]() | B.开口向右,焦点为![]() |
C.开口向上,焦点为![]() | D.开口向右,焦点为![]() |
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名校
5 . 某学生的八次数学测验成绩(百分制)的茎叶图如图所示,则这八次成绩的中位数为______ .
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/10/8fcbb9a6-d39a-4ea2-a775-3111ee8327df.png?resizew=61)
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2024-01-14更新
|
189次组卷
|
2卷引用:四川省攀枝花市2022-2023学年高二上学期期末考试数学(理)试题
解题方法
6 . 已知双曲线
的离心率为
,且经过点
.
(1)求双曲线
的标准方程;
(2)经过点
的直线
交双曲线
于
、
两点,且
为
的中点,求
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b848246c11ebef783e4e50f35282774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e7090fc29ee177fbb8753511cb0797.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d23fc512ad69a2d5919ce690407704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2024-01-12更新
|
533次组卷
|
2卷引用:四川省攀枝花市2022-2023学年高二上学期期末考试数学(理)试题
解题方法
7 . 明代著名数学家程大位所著的《新编直指算法统宗》是中国历史上一部影响巨大的著作,它问世后不久便风行宇内,成为明清之际研习数学者必读的教材,而且传到朝鲜、日本及东南亚地区,对推动汉字文化圈的数学发展起了重要的作用.卷八中第三十三问是:“今有三角果一垛,底阔每面七个,问该若干?”如图是解决该问题的程序框图.执行该程序框图,求得该垛果子的总数
为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/10/bf7a0138-7cc6-43a3-bdf3-365b3c9ccb46.png?resizew=93)
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8 . 若平面内两定点
、
的距离为4,动点
满足
,若点
不在直线
上,则三角形PAB的面积最大值为( )
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/876fdad5935181ea5d543d9152eb994f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 已知过点
的曲线
的方程为
.
(1)求曲线
的方程;
(2)点
为曲线
与
轴正半轴的交点,不过点
且不垂直于坐标轴的直线
交曲线
于
、
两点,直线
、
分别与
轴交于
、
两点.若
、
的横坐标互为倒数.问:直线
是否过定点?如果是,求出定点坐标;如果不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59a7a78a0cb55d2396f7213432a86b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eee76c72dc3871df840b23bb43560cb.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](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/acc290b44635265137fdf13146b6a6d9.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/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10109d34ef06c3e721fd2c7128c5b9ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e4b0ddfa5aec71d6df83e574b56150.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/8455657dde27aabe6adb7b188e031c11.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
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名校
解题方法
10 . 2021年某省高考体育百米测试中,成绩全部介于12秒与18秒之间,抽取其中100个样本,将测试结果按如下方式分成六组:第一组
,第二组
,…,第六组
,得到如下频率分布直方图,则该100名考生的成绩的平均数和中位数(保留一位小数)分别是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/de12977e-4358-4c4b-8b5f-47231d55deae.png?resizew=200)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d271541358ffcfc9c1f037b03338170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d372f954956b077b0d9c8ab0765beb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76cb97208486873b476f50c74cf672b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/de12977e-4358-4c4b-8b5f-47231d55deae.png?resizew=200)
A.15.2 15.4 | B.15.1 15.4 | C.15.1 15.3 | D.15.2 15.3 |
您最近一年使用:0次
2024-01-05更新
|
333次组卷
|
3卷引用:四川省攀枝花市2022-2023学年高二上学期期末考试数学(理)试题