1 . 如图的实线部分是江南某公园内的一个月亮门的正面外部轮廓,它由三部分构成:①水平地平线
;②位于地平线
与离地
高的水平线
之间的是长半轴长为
的同一个椭圆的左、右两侧的一部分;③水平线
以上是半径为
的半圆.
(2)某货运公司计划搬运一批大型包装箱通过此门,包装箱能否通过此门取决于其横截面的形状和大小,若包装箱的横截面分别为正方形或正三角形,搬运过程中要求包装箱保持水平状态(横截面与地面垂直,且有一边保持水平),为方便搬运,你会提前告诉货运公司哪些信息?为什么?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56045dacb47a5909c193ad70beb81806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71a41641aa0d0e45a3c03d3d2c1196b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b4f2a143735077f598fbab4f1452ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71a41641aa0d0e45a3c03d3d2c1196b.png)
(2)某货运公司计划搬运一批大型包装箱通过此门,包装箱能否通过此门取决于其横截面的形状和大小,若包装箱的横截面分别为正方形或正三角形,搬运过程中要求包装箱保持水平状态(横截面与地面垂直,且有一边保持水平),为方便搬运,你会提前告诉货运公司哪些信息?为什么?
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解题方法
2 . 已知圆C:
,直线l:
,若l与圆C交于A,B两点,设坐标原点为O,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ca01d1c400707e011745ad16199da13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef6d00ddabcb1bb41fae534f5183ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df09bff72dab3e6555a0597b638a3bd0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7日内更新
|
63次组卷
|
2卷引用:2024届广西壮族自治区贵港市高考模拟预测数学试题
2024高三·全国·专题练习
解题方法
3 . 如图,四边形
中,
,
,
,
,则
面积的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c1e2e3171120aa9a932cfeb59c6d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c771a4feb150ad9cff8d70431c97eb17.png)
您最近一年使用:0次
4 . 已知双曲线
的上焦点为
,圆
的圆心位于
轴上,半径为
,且与
的上支交于
两点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7bcb34ed3bf1981b04d07b53030264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdb21011ea821b91d539cb763aac649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe4bb74e6e498622b4c32ced5b6fcee.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 空间直角坐标系中的动点
的轨迹为
,其中
,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f050923b095bdcc7773b863fa61566d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f0205ec4f31ce64fed95f08f6f18767.png)
A.存在定直线![]() ![]() ![]() |
B.存在定点![]() ![]() ![]() |
C.![]() |
D.![]() ![]() ![]() |
您最近一年使用:0次
2024-06-16更新
|
156次组卷
|
2卷引用:2024届河南省名校联盟考前模拟大联考三模数学试题
名校
解题方法
6 . 已知复数
满足
,
(
为虚数单位),
是方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b46618eaf7cb9520f8234c9b81abd315.png)
在复数范围内的两根,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03a29734fbf6159973fdf196a760cf69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba04162bf228dcafc3f0f34d51c90ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b46618eaf7cb9520f8234c9b81abd315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1a5f2533b8ea54b7022383f875666.png)
A.![]() ![]() | B.![]() |
C.当![]() ![]() | D.当![]() ![]() |
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7 . 已知二次函数
与
轴交于
,
两点,点
,圆
过
,
,
三点,存在一条定直线
被圆
截得的弦长为定值,则该定值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002cbe68dc72d309543af98a2549f12b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/26ccf887939fbcaf62370546e2359ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-06-10更新
|
116次组卷
|
3卷引用:专题1 直线与圆的位置关系【练】(压轴小题大全)
(已下线)专题1 直线与圆的位置关系【练】(压轴小题大全)重庆市乌江新高考协作体2023-2024学年高二下学期第二阶段性学业质量联合调研抽测(5月)数学试题吉林省珲春市第一高级中学、图们市第二高级中学2023-2024学年高二上学期期末考试数学试题
名校
解题方法
8 . 已知两个不同的圆
,
均过定点
,且圆
,
均与
轴、
轴相切,则圆
与圆
的半径之积为( )
![](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/7903097d9663549d86e6267da59537a2.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知
为直线
上的动点,
为圆
上的动点,点
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056e249d0c33ef92b956f84937fa9324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ecfe932bf546c53654f7ec2cc80019c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37df9dad3961893b22d6639c4311e267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b23eeeea0e6927d093d1e7f3ce2a5e79.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 已知抛物线
:
的焦点为
,点
(异于原点
)在抛物线上,过
作
的切线
,
,垂足为
,直线
与直线
交于点
,点
,则
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b276d9874200afeafe1f4ebda0bb822f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29610a3415c1e795d35979a5a9ff69f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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