解题方法
1 . 已知
,
,点
的轨迹方程为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c84818cfbd9a885081cb4e3294eabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8314b1fdf7dcef270ac0a2567609242.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53b07db11760265bb83e71d39fb4f3e.png)
A.点![]() | B.直线![]() ![]() |
C.满足![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2 . 已知圆
:
,过圆
外一点
作圆
的切线,切点为
,
,直线
与直线
相交于点
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
A.若点![]() ![]() ![]() ![]() |
B.当![]() ![]() ![]() |
C.直线![]() ![]() ![]() |
D.![]() ![]() |
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解题方法
3 . “阿基米德多面体”也称为半正多面体,是由边数不全相同的正多边形为面围成的多面体,它体现了数学的对称美.如图,是一个八个面为正三角形,六个面为正方形的“阿基米德多面体”,某玩具厂商制作一个这种形状棱长为
,重量为
的实心玩具,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd6f4250ca6b1b9bce234a01f00d44d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7808a98cf04a37b0358c1e855ee4347.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/29/37fbe650-3516-418a-b898-3bb8c8825d10.png?resizew=161)
A.将玩具放到一个正方体包装盒内,包装盒棱长最小为![]() |
B.将玩具放到一个球形包装盒内,包装盒的半径最小为![]() |
C.将玩具以正三角形所在面为底面放置,该玩具的高度为![]() |
D.将玩具放至水中,其会飘浮在水面上. |
您最近一年使用:0次
2024-02-28更新
|
894次组卷
|
3卷引用:江苏省南通市2024届高三高考考前押题卷(最后一卷)数学试题
4 . 已知抛物线
交x轴于
,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/c9bfb006-0827-4b39-9b0e-0873015fee88.png?resizew=162)
(1)m的值为______ ;
(2)已知点
,
,P,Q均在抛物线上,且
,
时,均有
,则a的取值范围是______ ;
(3)有点
,抛物线交y轴于点C,过B,D作直线
交y轴于E.M为线段
上一点,当
时,则M的横坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6ec8e5d8786ef56d44bf535551a09f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe3c48e6f4858150888d0995a0cb8e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b02568a2d65f35225e190b68e8a5ca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/428c2271836a8e28ccf66dd06738c273.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/c9bfb006-0827-4b39-9b0e-0873015fee88.png?resizew=162)
(1)m的值为
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545046110e0a7d4df4f1cfcdf4fe40ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53861973282c55a43feb1ab034a55f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958d4cb5c007188bda41687ee1286e47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d70d194e7bb8b86fc5db975d19192c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1acc35371a619b9ae9beb0de6e966e1.png)
(3)有点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c198d5e7103bd6f1f1c9ee02b8b04b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99d76f8f6c9f0432958ff23ea87364c7.png)
您最近一年使用:0次
名校
5 . 如图,矩形
中,连接
,
,
,E为一动点,沿
方向运动,速度为1单位长度每秒,运动时间为
秒,过E作
于F(F可与B,C重合),以
为边在矩形
内部作正方形
,若直线
将矩形
的面积分成
的两部分,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1da0304251a6a0966cd5238660dfa9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc90fee532e50d319081d571410421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5881f1ce9b4172ca346032d0fd1e3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/bb8b672a-2282-4c2c-a84a-7d4dbdc4ff84.png?resizew=253)
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6 . 在等比数列
中,
,
为数列
的前
项积,下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ef499aef8f9747e9842c4904b24879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.![]() |
B.![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
7 . 有两个正整数x,
,其最大公约数与最小公倍数之和等于这两个数的积与和的差,则:
(1)满足条件的数组
共有______ 个;
(2)在所有满足条件的数组
中,
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5464d439362506b5a7fd9b0db67c06.png)
(1)满足条件的数组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
(2)在所有满足条件的数组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
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8 . 中心对称函数指的是图形关于某个定点成中心对称的函数,我们学过的奇函数便是一类特殊的中心对称函数,它的对称中心为坐标原点. 类比奇函数的代数定义,我们可以定义中心对称函数:设函数
的定义域为
,若对
,都有
,则称函数
为中心对称函数,其中
为函数
的对称中心. 比如,函数
就是中心对称函数,其对称中心为
.
(1)判断
是否为中心对称函数(不用写理由),若是,请写对称中心;
(2)若定义在
上的函数
为中心对称函数,求
的值;
(3)判断函数
是否为中心对称函数,若是,求出其对称中心;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1da2db85b44ae9ced8c09cd19593e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1731dcd0d444734fe772f7241f39cc26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfdef3a0d2047885a06211b6a4011726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455dd8872aa8e38add43583352e91ead.png)
(2)若定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6257a9864ba40e27ef9cd745522d9ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b83b9c3e472efa966b4fc82164d090c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(3)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/818dc6fbaf4a5a4830f3f0adab6c25f7.png)
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9 . 已知圆
的直径
长为8,与
相离的直线
垂直于直线
,垂足为
,且
,圆
上的两点
,
到
的距离分别为
,
,且
.若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac4b92a7ee8e197d5872641af813dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edf900c810371fb21297c15f86d8743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74b5773dbeaa189dd8aa4ed15a757f7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24460a8856f5b89514a1486e81784ffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94ec746cbf9d42c5033a056124a0a93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d2a11dd1a1729427d612fa78807696a.png)
A.2 | B.4 | C.6 | D.8 |
您最近一年使用:0次
2024-02-12更新
|
524次组卷
|
4卷引用:江苏省常州市2023-2024学年高三上学期期末学业水平监测数学试卷
江苏省常州市2023-2024学年高三上学期期末学业水平监测数学试卷(已下线)专题07 直线与圆(解密讲义)(已下线)专题5 曲线轨迹与交点问题四川省绵阳市东辰学校2024届高三下学期第二学月考试数学(理科)试题
名校
10 . 如图,
是横坐标为2的定点,点
在直线
上运动,
,
,当点
从原点
运动到横坐标为2的点
时,点
的运动距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b92a937da50218ce1b0f6b26c03a117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b15b82151bff7cc0238d2034a6129f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/f5f510c1-9c5a-40b9-beaa-bdae936ab288.png?resizew=165)
您最近一年使用:0次