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1、第二章 圆锥曲线与方程 (选修1-1)人 教 B 版 数 学Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.第二章 圆锥曲线与方程 (选修1-1)人 教 B 版 数 学Evaluation
2、 only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.第二章 圆锥曲线与方程 (选修1-1)人 教 B 版 数 学1知识与技能了解双曲线的几何性质，并会应用于实际问题之中会利用双曲线的定义、标准方程、几何性质及图形
3、四者之间的内在联系，分析和解决实际问题2过程与方法在与椭圆的性质类比中获得双曲线的几何性质，进一步体会数形结合的思想掌握利用方程研究曲线的性质的基本方法Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pt
4、y Ltd.第二章 圆锥曲线与方程 (选修1-1)人 教 B 版 数 学3情感、态度与价值观使学生进一步体会曲线与方程的对应关系，感受圆锥曲线在刻画现实世界和解决问题中的作用，从而培养学生分析、归纳、类比、推理等能力 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty
5、Ltd.Copyright 2004-2011 Aspose Pty Ltd.第二章 圆锥曲线与方程 (选修1-1)人 教 B 版 数 学Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.第
6、二章 圆锥曲线与方程 (选修1-1)人 教 B 版 数 学本节重点：双曲线的几何性质，双曲线各元素之间的相互依存关系，特别是双曲线的渐近线性质本节难点：有关双曲线的离心率、渐近线的问题，数形结合思想、方程思想、等价转化思想的运用Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose
7、 Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.第二章 圆锥曲线与方程 (选修1-1)人 教 B 版 数 学Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty
8、Ltd.第二章 圆锥曲线与方程 (选修1-1)人 教 B 版 数 学1对圆锥 曲线来说，渐近线是双曲线的特有性质，利用双曲线的渐近线来画双曲线特别方便，而且较为精确，只要作出双曲线的两个顶点和两条渐近线，就能画出它的近似图形2要明确双曲线的渐近线是哪两条直线，过双曲线实轴的两个端点与虚轴的两个端点分别作对称轴的平行线，它们围成一个矩形，其两条对角线所在直线即为双曲线的渐近线3要理解“渐近”两字的含义，当双曲线的各支向外延伸时，与这两条直线逐渐接近，接近的程度是无限的Evaluation only.Evaluation only. Created with Aspose.Slides for .
9、NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.第二章 圆锥曲线与方程 (选修1-1)人 教 B 版 数 学5根据双曲线的渐近线方程求双曲线方程的方法：如果两条渐近线的方程为AxBy0，那么双曲线的方程为A2x2B2y2m(m0)，这里m是待定系数，其值可由题目中的已知条件确定Evaluation only.Eval
10、uation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.第二章 圆锥曲线与方程 (选修1-1)人 教 B 版 数 学Evaluation only.Evaluation only. Created with Aspose.Slides
11、for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.第二章 圆锥曲线与方程 (选修1-1)人 教 B 版 数 学双曲线的几何性质Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.
12、0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.第二章 圆锥曲线与方程 (选修1-1)人 教 B 版 数 学性 质焦点焦距范围顶点对称性轴长实轴长 ，虚轴长 .渐近线离心率e(e1)2a2b(a,0)、(a,0)(0，a)、(0，a)关于x轴、y轴和原点对称|F1F2|2cF1(c,0)、F2(c,0)F1(0，c)、F2(0，c)xa或xa，yRya或ya，xR Ev
13、aluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.第二章 圆锥曲线与方程 (选修1-1)人 教 B 版 数 学Evaluation only.Evaluation only. Created w
14、ith Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.第二章 圆锥曲线与方程 (选修1-1)人 教 B 版 数 学Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Pr
15、ofile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.第二章 圆锥曲线与方程 (选修1-1)人 教 B 版 数 学Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides
16、 for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.第二章 圆锥曲线与方程 (选修1-1)人 教 B 版 数 学Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.第二章 圆锥曲线与方程
