高一数学“一元二次不等式和其解法”.ppt
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一元二次不等式及其解法
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一元二次不等式解法的一般思路。
三个二次的关系
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①求不等式4x2-4x+10的解集
②求不等式-x2+2x-30的解集
运用1:
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运用2:
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应用3: 求下列函数的定义域
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应用4.
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拓展1. m是什么实数时, 关于x的方程mx2-(1-m)x+m=0有实数根?
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拓展2.
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《学法大视野》第三章 第26课时。
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