顶点在Y轴上则y轴是对称轴
则y=2(x-0)^2+h
=2x^2+h
=2x^2+mx-3
所以m=0
若抛物线Y=2X*+MX-3的顶点在Y轴上,则M=?
若抛物线Y=2X*+MX-3的顶点在Y轴上,则M=?
数学人气：485 ℃时间：2019-10-24 07:19:02
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