23-24高二上·上海·课后作业
1 . 函数
的图像如图所示.
(1)求割线PQ的斜率;
(2)当点Q沿曲线向点P运动时,割线PQ的斜率会变大还是变小?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/14/414f13c5-83ed-4553-9355-940b1a265e67.png?resizew=176)
(1)求割线PQ的斜率;
(2)当点Q沿曲线向点P运动时,割线PQ的斜率会变大还是变小?
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2 . 已知
的三个顶点
、
、
.
(1)求
的三个内角;
(2)求
的平分线所在直线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6875edb2cfbcf7460ffad601c0b0d800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8689d35dacb5586f8276179a580b0835.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
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23-24高二上·上海·课后作业
解题方法
3 . 已知
、
、
三点在直线
上.
(1)求实数
的值;
(2)求
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de180fcb5d18115f1254369ad9b44b49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5781110f5bc67ac981b89f5cbe9b07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e834fe3857279d0fa1212f7315037f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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23-24高二上·上海·课后作业
解题方法
4 . 已知
、
、
三点在直线
上,求
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7078a4e8e927c163c7f98e66759c9834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed776a49a030ffe57d9571edbd15b4bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1638f9062220d4cb2b29ec3c135f10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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23-24高二上·上海·课后作业
5 . 已知
,求经过
、
两点的直线
的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe14158bb35a3dfe1f083f818c30c5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673183ab9d2789bcbc9097b9539b2945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba434b3223c475f235979baab9d519b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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6 . 已知
、
、
三点构成一个三角形,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65870361527e54ad78ba737ace3614ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78d4219870c506d0e00064f42f2aef9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45b0e93fefa6512e8d872d61b8b6be9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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23-24高二上·上海·课后作业
7 . 如图,已知点
、
、
,点
是线段
上任意一点,求直线
的斜率
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a6be776cdd229e5c1339265b23624a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb6fd712d967a36c027693a54f91470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f56120e30c41aa77a37eb4d46f6390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/13/7e59c722-28e2-4e3f-8d93-53268c3b9622.png?resizew=146)
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8 . 已知三个不同的点
、
、
在同一条直线上,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82388095a4e6d9decccae2b24fe28138.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c82f7dd760bd79882f2a1801c642adb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43a4643cde614978f0a4133945d52a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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23-24高二上·上海·课后作业
9 . 求经过下列两点的直线的斜率与倾斜角:
(1)
、
;
(2)
、
,其中
是常数.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530e5817131adf2c05b99ff18eb9060f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63297c48d9a2dfecb249f101b571e0a4.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d23fc512ad69a2d5919ce690407704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac3cf8a80a8c008e42d6a75ed61ebdc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
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