1 . 若直线l1:y=kx与直线l2:x-y+2=0平行,则k=________ ,l1与l2之间的距离是______ .
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解题方法
2 . 已知双曲线
的离心率为
,实轴长为2,实轴的左端点为
,虚轴的上顶点为
为右支上任意一点,则
面积的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知两条直线
与
被圆C截得的线段长均为2,则圆C的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6308b7ca20303beeb022d6be72de5d4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c50c9b84d5ae72b93694f7a481409a1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 两条平行直线
之间的距离是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08dcc3f4dd1346aa8e02533526b31c81.png)
A.2 | B.![]() | C.![]() | D.5 |
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名校
5 . 已知直线l1的方程为3x+4y-7=0,直线l2的方程为6x+8y+1=0,则直线l1与l2的距
离为________ .
离为
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2017-12-22更新
|
461次组卷
|
3卷引用:广东省惠阳高级中学2018届高三上学期12月月考数学(文)试题
2010·广东揭阳·一模
6 . (坐标系与参数方程选做题)设直线
的参数方程为
(
为参数),以坐标原点为极点,x轴为极轴建立极坐标系得另一直线
的方程为
,若直线
与
间的距离为
,则实数
的值为_____________ .
![](https://img.xkw.com/dksih/QBM/2010/4/7/1569693363265536/1569693368434688/STEM/bd2f46c54ed14146b539f0469add11f1.png?resizew=8)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1569693363265536/1569693368434688/STEM/255651b9b48d41db8a97bc6e0ecc7e4b.png?resizew=73)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1569693363265536/1569693368434688/STEM/20cadcdb61fe4672b4d5f453d946ada2.png?resizew=6)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1569693363265536/1569693368434688/STEM/569819d1c90043c9987037667c4d1426.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1569693363265536/1569693368434688/STEM/09e600b3c6284ca1b7bad6d86f37d897.png?resizew=155)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1569693363265536/1569693368434688/STEM/bd2f46c54ed14146b539f0469add11f1.png?resizew=8)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1569693363265536/1569693368434688/STEM/569819d1c90043c9987037667c4d1426.png?resizew=9)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4056761b8f826eeb6ad8c9a151d3c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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