名校
1 . 已知圆
,若对于任意的
,存在一条直线被圆
所截得的弦长为定值
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/117d7c630adc6fcb867e63b42a5af84a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
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2024-05-04更新
|
909次组卷
|
2卷引用:2024届浙江省丽水、湖州、衢州三地市二模数学试卷
名校
2 . 有一组样本数据
的平均数是
,方差是
,极差为
,则下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4430d542ab6e63baed2e527f538b47b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c85481cd7e94130ef3aa05b4a39e79cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/671f43c79d612c93a6d160335e86e177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若方差![]() ![]() |
D.若![]() ![]() |
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2024-04-17更新
|
970次组卷
|
2卷引用:2024届浙江省丽水、湖州、衢州三地市二模数学试卷
名校
3 . 复数
满足
(
为虚数单位),则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2acba428fab1522910d1e0a3948ac8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c7f7d05ce239559d53810a6395bc8d1.png)
A.3 | B.4 | C.5 | D.6 |
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2024-04-12更新
|
1142次组卷
|
5卷引用:2024届浙江省丽水、湖州、衢州三地市二模数学试卷
2024届浙江省丽水、湖州、衢州三地市二模数学试卷江西省南昌市第十九中学2024届高三下学期第二次模拟考试数学试题(已下线)专题04 复数的概念与运算-《期末真题分类汇编》(江苏专用)安徽省六安第一中学2024届高三下学期质量检测(三 )数学试卷安徽省六安第一中学2024届高三下学期三模数学试题
4 . 设等差数列
的公差为
,记
是数列
的前
项和,若
,
.
(1)求数列
的通项公式;
(2)若
,数列
的前
项和为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9640394bcbf52c435bdfa5e108002e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1959cec7b14403c2b839111c5e15bdb1.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/065b4c79e7a73cc0b1a2d444e0cf13f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c630ae094545da6da659feb70ef0ca.png)
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2024-04-12更新
|
1968次组卷
|
3卷引用:2024届浙江省丽水、湖州、衢州三地市二模数学试卷
名校
解题方法
5 . 在
中,已知角A,B,C的对边分别是a,b,c,且
.
(1)求角C的大小;
(2)若
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad3c6e6db8b60e4c455ef3b03961cad.png)
(1)求角C的大小;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eaaa54cc12bb7c65d7103c6b5903ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2024-04-10更新
|
1686次组卷
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6卷引用:浙江省丽水市五校高中发展共同体2023-2024学年高一下学期4月联考数学试题
6 . 直线
的倾斜角的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b06b2df5730134c01f466c7da1da47.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知函数
.
(1)求
的单调递增区间;
(2)若方程
在区间
上恰有一个解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3866d6487aefe2587863b8af8b09a6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f9a575fc639253a8efe28ab73a985e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e3f7f762131c77a3c8440b4a3bc1d12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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8 . 设集合
,
,若
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2caf7600aa01c04bd7801c2b3f3c1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33719ac021f598cae32df9779797fc35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3e2673fe4aa4824618df86f784a4a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 函数
的定义域是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f31c49fa0dcd476ec55d2b411cc77d1.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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解题方法
10 . 若幂函数
的图象不经过原点,则实数
的值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6d1a602f47cc3b563fa9e3885e5734b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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