4、y=x2-3x-4與x軸的交點(diǎn)坐標(biāo)、,與y軸交點(diǎn)坐標(biāo)是有關(guān)二次函數(shù)的交點(diǎn)練習(xí)題,二次函數(shù)練習(xí)題1、二次函數(shù)y=-x26x3的圖象頂點(diǎn)為_________對(duì)稱軸為________,有關(guān)二次函數(shù)的交點(diǎn)練習(xí)題,二次函數(shù)練習(xí)題1、二次函數(shù)y=-x26x3的圖象頂點(diǎn)為_________對(duì)稱軸為________。1、有關(guān)二次函數(shù)的交點(diǎn)練習(xí)題二次函數(shù)練習(xí)題1、二次函數(shù)y=-x26x3的圖象頂點(diǎn)為_________對(duì)稱軸為________。2、二次函數(shù)y=的頂點(diǎn)為_________,對(duì)稱軸為________，3、二次...