1 . 直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
的一个方向向量为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3389ca94bab4b59bdc2dd147c9a1601.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知O为坐标原点,A,B是抛物线
上的两个动点,过A,B分别向抛物线C的准线作垂线,垂足为
,
.若直线
,
的斜率之积为
,则
的面积的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4195334905e2f190f958dbf5951456f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0fc6cf34323f80b94fe2a9d0867d62e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
A.1 | B.![]() | C.2 | D.4 |
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3 . 双曲线
的左,右焦点分别是
,
,已知
到双曲线H的一条渐近线的距离为
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ca29ceeca7071aba6bbbdfebcd410b9.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/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cdfc6a59392d1ac3cd89ddc0308864c.png)
A.4 | B.![]() | C.6 | D.8 |
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4 . 若直线
与直线
平行,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff9cf3df50b5b1396fca74424289831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4066711b925f9b104917ad74ec98c6c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.0 | B.![]() | C.2 | D.![]() |
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5 . 已知抛物线
的焦点为
, 其上有两点
, 若
的中点为
, 满足
的斜率等于1,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223cf57be5499bab6d7bf063f1ef1dbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530b46eaf82365b2261726e663970a91.png)
A.7 | B.8 | C.![]() | D.10 |
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6 . 已知
,
两点到直线
:
的距离相等,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d79c945b36a1b03f15be06caf91a798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b979396a703fb14715ba39232f5786a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.6 | C.![]() | D.4或6 |
您最近一年使用:0次
2024-02-27更新
|
380次组卷
|
2卷引用:四川省绵阳市2023-2024学年高二上学期期末教学质量测试数学试卷
7 . 直线
的倾斜角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22a292c25bf81dff2bb6d211b492aa4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 若直线
:
平分圆
的周长,则
的倾斜角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ab0802ba430a49f66d35757a14cd22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd6d5018b988d9843479cfdcfd3a522d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.45° | B.135° | C.60° | D.120° |
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9 . 直线
的一个方向向量是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/962b58f6e56b0bdd3d356b016a16760b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-17更新
|
644次组卷
|
3卷引用:四川省绵阳市2023-2024学年高二上学期期末教学质量测试数学试卷