抛物线y=2x^2-6x关于y轴对称的抛物线为
y=2(-x)^2-6(-x)
=2x^2+6x,为所求.
y=ax方+bx+c和抛物线y=2x方-6x关于y轴对称求他解析式
y=ax方+bx+c和抛物线y=2x方-6x关于y轴对称求他解析式
数学人气：481 ℃时间：2020-05-13 13:23:44
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