填空题直线mx+2y+3m-2=0过定点的坐标是________.

发布时间:2020-07-09 03:35:53

填空题直线mx+2y+3m-2=0过定点的坐标是________.

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(-3,1)解析分析:由mx+2y+3m-2=0?m(x+3)+2y-2=0,由可求得直线mx+2y+3m-2=0过定点的坐标.解答:∵mx+2y+3m-2=0,∴m(x+3)+2y+2=0,∵直线mx+2y+3m-2=0过定点P,∴,解得x=-3,y=1.∴定点P的坐标为(-3,1).故
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