名校
1 . 已知
满足:
,则代数式
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945dade6bba486831fd909efb350df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71c62953bb4b89902a3b88b34c03276.png)
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解题方法
2 . 已知
在函数
的图像上,
在直线
上,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/125bea9ef0d4a26ac65cacf66536b388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eaa224254a49065d213ca3a2f75f0db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
A.![]() | B.5 | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-04更新
|
363次组卷
|
2卷引用:重庆市渝北中学2023-2024学年高二下学期期中质量监测数学试题
3 . 已知
为双曲线
上一动点,则
到点
和到直线
的距离之比为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/335caead9a9e7d18587492828f7c2456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c3a2f5b0702ea9fbb9dc8904579737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
A.1 | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
2024-04-15更新
|
1184次组卷
|
3卷引用:重庆市第一中学校2023-2024学年高二下学期期中考试数学试题
4 . 已知直线
与圆
交于A、B两点,则弦长
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25e5af76c584cb8e742c3ff9a51f7b4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaff41080fdea43eea7efedf9ebc1498.png)
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5 . 若圆
的圆心到直线
的距离为
,则实数a的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90653f76d5a57f2ae825d97feb40ef84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc209d7e24ff25c3ca4d7894353562fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
A.0或2 | B.0或![]() | C.0或![]() | D.![]() |
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解题方法
6 . 已知点M是圆
上的动点,点N是圆
上的动点,点P在直线
上运动,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/723cfab7f83af1447e4a3592e987b068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bb4286544d255d3af650667a35fc7f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1b3031d7393a63719166285314d73f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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7 . 已知直线
,
.则下列说法中正确的有( )
①存在实数
,使
,②存在实数
,使
;
③对任意实数
,都有
,④存在点到四条直线距离相等
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ebfc63d3fdf6f051a7067d9b0fab1ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56ab131dc34b4a39bf1b3cb4988cae4.png)
①存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1095c036b49c3327baaa2c3c7f746134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a920164cc1e57ac635abe982b3f8fba4.png)
③对任意实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/208f01a3499a57c8313044633c00b96f.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
2023-11-23更新
|
167次组卷
|
2卷引用:重庆市第十八中学2023-2024学年高二上学期期中学习能力摸底数学试题
名校
8 . 已知入射光线经过点
被
轴反射后,反射光线经过点
,则反射光线所在直线方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0481d24e2af1e0cd348732b9444d1dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
您最近一年使用:0次
9 . 已知圆
经过两点
、
,且圆
的圆心在直线
上.
(1)求圆
的方程;
(2)若点
为直线
:
上的动点,过点
作圆
的切线
、
,切点为
、
,求四边形
面积的最小值,并出此时点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f54dd475ff1321041c80738b201c3b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6419152065edb8cabf887b65adb4a73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42498f6e0fc9a61c9857b70a87f02c5e.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/512f4c29ff276b7f35052ad4cc255ab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902f97913e1af1e6c793f7edfe6b2114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bea34ef323ff7f873c55c92267b7b7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
名校
10 . 直线
与圆
的公共点的个数可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcefd18333f55a3aa65c444d68feed1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d5b31153a334e9d67f038389c368384.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
2023-11-17更新
|
679次组卷
|
4卷引用:重庆市乌江新高考协作体2023-2024学年高二上学期期中学业质量联合调研抽测数学试题