《高一数学含参不等式的解法.ppt》由会员分享，可在线阅读，更多相关《高一数学含参不等式的解法.ppt（8页珍藏版）》请在金锄头文库上搜索。
1、含参数的含参数的一元二次不等式一元二次不等式高一数学必修高一数学必修5 5第三章不等式第三章不等式Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd. 作业讲评作业讲评C CO OB Bxy码头码
2、头码头受到码头受到风暴中心的影响风暴中心的影响则则|OC|450|OC|450 81页页B组组4Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.题型题型1、已知不等式的解集求参数、已知不等式的
3、解集求参数一元二次方程的根就是对应二次不等式一元二次方程的根就是对应二次不等式的解集的端点值。的解集的端点值。Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.题型题型2、不等式对、不等式对xR
4、恒成立问题恒成立问题要注意对二次项系数的讨论要注意对二次项系数的讨论不等式对不等式对xR恒成立问题应结合恒成立问题应结合二次函数的图像求解二次函数的图像求解Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pt
5、y Ltd.题型题型2、不等式对、不等式对xR恒成立问题恒成立问题Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.题型题型3、解含参数的不等式、解含参数的不等式1 1、解关于、解关于x的不等式
6、的不等式2 2、解关于、解关于x的不等式的不等式要注意对方程的根的大小的讨论要注意对方程的根的大小的讨论Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.3 3、解关于、解关于x的不等式的不等式
7、题型题型3、解含参数的不等式、解含参数的不等式解含参二次不等式的多层讨论问题，解含参二次不等式的多层讨论问题，见学海见学海54页方法点拨。页方法点拨。Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty L
8、td.1 1、学海第、学海第4 4课时课时2 2、P80P80习题习题3.2A3.2A组：组：3,4.3,4. B B组组: 2,3.: 2,3.布置作业布置作业Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.
