名校
解题方法
1 . 已知
为坐标原点,
,
,
是抛物线
上两点,
为其焦点,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cda12642d59a5817e8990c43de20535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
A.![]() ![]() |
B.若![]() ![]() ![]() |
C.若直线![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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名校
2 . 在棱长为2的正四面体
中,点
满足
,点
满足
,当
、
最短时,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f58ddc17c3f7dff1ecc5de603502d5e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/203fe2d561de1e3f71dd4bb12d384c9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3533837e3d08c461dea031a44e5424d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ffc27a9990c845b1502d3b39f722c8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
3 . 已知点
及圆
.
(1)若直线
过点
且与圆
相切,求直线
的方程;
(2)设过点
且斜率为
的直线
与圆
交于
,
两点,求弦长
;
(3)设直线
与圆
交于
,
两点,是否存在实数
,使得过点
的直线
垂直平分弦
?若存在,求出实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56ab70e602f2e2e291df643ab209162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c876e7b6701a6e5711ad04d1880b744.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d78fd95f89dec2d373fa57f02acd739f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
(3)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5375e9cb3d83b66bba64998de3ad01f.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56ab70e602f2e2e291df643ab209162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 已知抛物线
的焦点为
,准线为
,
为
上的点,过
作
的垂线,垂足为
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/159a2d4945049c5a8f525f18763eba91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97efc7104df73eff432cd84b74df6993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb74fdc5724514d0a8a01a7ff420309.png)
A.30° | B.45° | C.60° | D.90° |
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2022-12-01更新
|
745次组卷
|
3卷引用:江西省赣州市第三中学2022-2023学年高二上学期期中考试数学试题
名校
解题方法
5 . 已知函数
的部分图像如图所示,则满足
的最小正整数x的值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e212836c266fee831058c76d4dfba7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b76bfa074f504e17dafc955fc25df52.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/412ee0a6-6ee2-482e-9339-e3713f5482f8.png?resizew=198)
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2022-11-12更新
|
783次组卷
|
8卷引用:江西省赣州市十六县市二十校2023届高三上学期期中联考数学(理)试题
江西省赣州市十六县市二十校2023届高三上学期期中联考数学(理)试题福建省龙岩市非一级达标校2023届高三上学期期中联考数学试题山东省济南市章丘区2022-2023学年高三上学期诊断性测试数学试题青海省海东市2022-2023学年高三上学期12月第一次模拟数学(文)试题四川省泸县第四中学2022-2023学年高三上学期第三学月考试数学(文科)试题四川省泸县第四中学2022-2023学年高三上学期第三学月考试数学(理科)试题(已下线)突破5.6 函数y=Asin(ωx+φ)课时训练-【新教材优创】突破满分数学之2022-2023学年高一数学重难点突破+课时训练 (人教A版2019必修第一册)第七章 三角函数(B卷·能力提升练)-【单元测试】2022-2023学年高一数学分层训练AB卷(苏教版2019必修第一册)
6 . 若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47054f31f8b261ff1e18d477fcd329e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 南宋数学家在《详解九章算法》和《算法通变本末》中提出了一些新的垛积公式,所讨论的高阶等差数列与一般等差数列不同,高阶等差数列中前后两项之差并不相等,但是逐项差数之差或者高次差成等差数列.现有高阶等差数列,其前7项分别为1,2,4,7,11,16,22,则该数列的第20项为( )
A.183 | B.125 | C.162 | D.191 |
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2022-11-10更新
|
836次组卷
|
5卷引用:江西省赣州市十六县市二十校2023届高三上学期期中联考数学(理)试题
名校
解题方法
8 . 函数
的部分图象大致为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16667a5b826c552ee1ed7043aaee0840.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-11-10更新
|
944次组卷
|
7卷引用:江西省赣州市十六县市二十校2023届高三上学期期中联考数学(理)试题
江西省赣州市十六县市二十校2023届高三上学期期中联考数学(理)试题山东省济南市章丘区2022-2023学年高三上学期诊断性测试数学试题江西省南昌市三校(一中、十中、铁一中)2023届高三上学期第二次联考数学(理)试题(已下线)专题03 函数图象、函数零点与方程-1江西省新余市2023届高三二模数学(文)试题(已下线)专题02函数与导数(选填1)陕西省西安市长安一中2024届高三上学期第四次教学质量检测数学(理)试题
9 . 设
:
,
:
,则
是
成立的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd5e63fa07bbfcc6d5b1b68716d8c731.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62325a92c5dfb70db28867250d32f3a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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2022-11-10更新
|
943次组卷
|
3卷引用:江西省赣州市十六县市二十校2023届高三上学期期中联考数学(理)试题
10 . 在直角坐标系
中,曲线
的参数方程为
(
为参数),以O为极点,以x轴的正半轴为极轴建立极坐标系曲线
的极坐标方程是
.
(1)求曲线
的极坐标方程和曲线
的直角坐标方程;
(2)射线
:
与曲线
交于点O和点A,将射线
按逆时针方向旋转
,得到射线
,射线
与曲线
交于点B,试求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec12616045942957f6ee3b3aae5c4c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c297637a6a6f2ec24f34a3035a8789d3.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5fe8c5fc5c63ca6cbbe000020f5ed1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eab337bf4e133918aa1af547411a2f1.png)
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