抛物线y= 12 (x+3)2的顶点坐标是_1.对称轴是_2。_刷题宝

题干

抛物线y=

1

2

(x+3)²的顶点坐标是____.对称轴是____。

上一题下一题 0.0难度选择题更新时间:2017-06-10 12:15:01

答案(点此获取答案解析）

(\u2212 3 \u2009 \uff0c \u2009 \u2009 0)

,

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