y=x²+6x+11=x²+6x+9+2=(x+3)²+2
所以把原方程向x轴正方向平移3个单位 在向Y轴负方向向下移动2个单位
函数y=x²+6x+11的图像经过怎样的一次平移,可以得到y=x²
函数y=x²+6x+11的图像经过怎样的一次平移,可以得到y=x²
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数学人气:222 ℃时间:2020-03-13 05:49:19
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