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=-x2 6x 3的圖象頂點(diǎn)為_(kāi)________對(duì)稱(chēng)軸為_(kāi)_______,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=-x2 6x 3的圖象頂點(diǎn)為_(kāi)________對(duì)稱(chēng)軸為_(kāi)_______。
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=-x2 6x 3的圖象頂點(diǎn)為_(kāi)________對(duì)稱(chēng)軸為_(kāi)_______。2、二次函數(shù)y=的頂點(diǎn)為_(kāi)________,對(duì)稱(chēng)軸為_(kāi)_______，3、二次函數(shù)y=2的x軸的交點(diǎn)的個(gè)數(shù)有_______個(gè)，交點(diǎn)坐標(biāo)為_(kāi)____________。4、y=x2-3x-4與x軸的交點(diǎn)坐標(biāo)是________,與y軸交點(diǎn)坐標(biāo)是_________，答案：二次函數(shù)y=-x2 6x 3的圖象頂點(diǎn)為，對(duì)稱(chēng)軸為x=3。2、二次函數(shù)y=的頂點(diǎn)為,，對(duì)稱(chēng)軸為x=-1\\2，3、二次函數(shù)y=2的x軸的交點(diǎn)的個(gè)數(shù)有2個(gè)，交點(diǎn)坐標(biāo)為、。4、y=x2-3x-4與x軸的交點(diǎn)坐標(biāo)、,與y軸交點(diǎn)坐標(biāo)。
