拋物線為y=-1/2(x-3)^2
對(duì)稱(chēng)軸為x=3
x=2關(guān)于對(duì)稱(chēng)軸是x=4
y不變即對(duì)稱(chēng)點(diǎn)為(4,-1/2)
拋物線y=a(x-3)平方經(jīng)過(guò)點(diǎn)(2,-2分之一),求這一點(diǎn)關(guān)于拋物線的對(duì)稱(chēng)軸的對(duì)稱(chēng)點(diǎn)的坐標(biāo)
拋物線y=a(x-3)平方經(jīng)過(guò)點(diǎn)(2,-2分之一),求這一點(diǎn)關(guān)于拋物線的對(duì)稱(chēng)軸的對(duì)稱(chēng)點(diǎn)的坐標(biāo)
數(shù)學(xué)人氣:300 ℃時(shí)間:2019-12-20 21:34:11
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