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2018_2019学年高中数学第二章函数2.2.2二次函数的性质与图象情境导学素材新人教B版必修1.doc

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12.2.2 二次函数的性质与图象【情境导学】 投篮时,篮球的运动路线就是一条抛物线,节日里,绚烂的焰火划破夜空,人们在制造烟花时一般是期望在它达到最高点时爆裂,烟花冲出后的运动路线是抛物线形的.这些抛物线有何特点?提示:抛物线是二次函数的图象形状,我们通过本节的内容研究二次函数的性质与图象.

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