1 . 如图,直线l为经过曲线上点P和Q的割线.
![](https://img.xkw.com/dksih/QBM/2022/2/23/2922746603593728/2926874525777920/STEM/0778c49b-247a-4333-865c-06e174feac0a.png?resizew=172)
(1)若
,
,求l的斜率;
(2)当点Q沿曲线向点P靠近时,l的斜率变大还是变小?
![](https://img.xkw.com/dksih/QBM/2022/2/23/2922746603593728/2926874525777920/STEM/0778c49b-247a-4333-865c-06e174feac0a.png?resizew=172)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dbcf0320d94734aedd3d4e2e31b9827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d07bff44e49940cbf17ed80d1ddf453.png)
(2)当点Q沿曲线向点P靠近时,l的斜率变大还是变小?
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21-22高二·江苏·课后作业
2 . 在下列3个图中,直线l为曲线在点P处的切线,分别求l的斜率.
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21-22高二·江苏·课后作业
3 . 求经过函数
图象上两点A,B的斜率:
(1)
,
;
(2)
,
;
(3)
,
;
(4)
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba8bf24c3e711807522e5a04ca0b096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ae54f7b268c09bc50b6e5193f02c63d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba8bf24c3e711807522e5a04ca0b096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d501e6f89971c495c43e99e55dcc71.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba8bf24c3e711807522e5a04ca0b096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52744061d929472302732782db771fd2.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba8bf24c3e711807522e5a04ca0b096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53b8383153594a076e24329a18d9508.png)
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21-22高二·江苏·课后作业
4 . 设双曲线的方程为
,过点
,
的直线的倾斜角为150°,求双曲线的离心率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f97daba8ba8a767c63e261a9de8405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44dabb1d632b78d0af61cc392797e316.png)
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21-22高二·江苏·课后作业
5 . 若直线l与直线
交于点P,与直线
交于点Q,且线段PQ的中点是
,则l的斜率为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53ae4b8715ebb03970ccabe1abf439c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d0924ff22fff9f5639feb0ceeece80d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-03-01更新
|
361次组卷
|
3卷引用:本章测试1
21-22高二·江苏·课后作业
6 . 若直线l经过点
,
,则l的斜率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffd29280a433c495dd107e302042e65.png)
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21-22高二·江苏·课后作业
解题方法
7 . 写出过点
,且分别满足下列条件的直线l的方程:
(1)垂直于x轴;
(2)垂直于y轴;
(3)过原点;
(4)与直线
的斜率相等.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae104d6d67d114b588a5680b124b0e45.png)
(1)垂直于x轴;
(2)垂直于y轴;
(3)过原点;
(4)与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b818e1793be8d9213e903e5224987a0.png)
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8 . 已知点A,B的坐标分别为
,
,直线AM,BM相交于点M,且它们的斜率之积是
,求点M的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd243fab0af865af67a2ab817e909cf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d78fd95f89dec2d373fa57f02acd739f.png)
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9 . 在△ABC中,B(-3,0),C(3,0),直线AB,AC的斜率之积为
求顶点A的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998cd7954b719aa79b8af35206be75c6.png)
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21-22高二·江苏·课后作业
10 . 设k为实数,已知点
,
,且直线
与线段AB恒有公共点,求k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28da34849b895986967765f5cca338d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5fb552c79ab5d45b0aeafc06e58542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ebce8b2a915356ed39f36c5bad2ebe.png)
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