反比例函数y=的图象经过点M(﹣2,1),则k=

反比例函数y=的图象经过点M(﹣21),则k= 

答案

2 

【考点】G6:反比例函数图象上点的坐标特征.

【分析】直接把点M(﹣21)代入反比例函数y=,求出k的值即可.

【解答】解:反比例函数y=的图象经过点M(﹣21),

1=,解得k=2

故答案为:﹣2

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