1 . 下列说法正确的是( )
A.直线![]() ![]() |
B.若直线![]() ![]() ![]() |
C.方程![]() ![]() |
D.存在![]() ![]() ![]() |
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2023-09-05更新
|
1051次组卷
|
6卷引用:浙江省浙南名校联盟2022-2023学年高二上学期期中联考数学试题
2 . 若动点
、
分别在直线
:
与
:
上移动,则AB的中点M到原点的距离可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/230324e34d4bbee4991e9f314b0b2852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c12cc8f482e91fa7bd38bcdba359a521.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 若动点
、
分别在直线
与
上移动,则
的中点
到原点的距离可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17be71ff6deb81c73812889dace25b2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ba68fa2054eff837e8a346aaf0d8b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-11-12更新
|
193次组卷
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2卷引用:河北省石家庄市十八中2022-2023学年高二上学期第一次月考数学试题
名校
4 . 已知:
,直线
相交于
,直线
的斜率分别为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b21cab7ea5dddc9074f11f232a5071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcaebaf8ceed245eba896f36d8ff14b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcaebaf8ceed245eba896f36d8ff14b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() |
D.当![]() ![]() ![]() |
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2022-01-25更新
|
614次组卷
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3卷引用:湖北省黄冈市2021~2022学年高二上学期期末数学试题
解题方法
5 . 若双曲线
,
,
分别为左、右焦点,设点
是在双曲线上且在第一象限的动点,点
为△
的内心,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1983309686915252c4efc8e4455b9d96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5a8e1bc9748e5519dcd9981b7eb251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8c39de4d7d1277da346b51b5bd2499.png)
A.双曲线![]() ![]() |
B.点![]() |
C.若![]() ![]() ![]() |
D.![]() |
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