若正比例函数y=(1-2m)x的图象经过点A(x1,y1)和B(x2,y2),当x1<x2时,y1<y2,则m的取直范围是...
參考答案:y1=(1-2m)x1
y2=(1-2m)x2
y1<y2
(1-2m)x1<(1-2m)x2
因为x1<x2
所以1-2m>0 m<1/2
又y=(1-2m)x 是正比例函数
故1-2m>0
得m<1/2
若正比例函数y=(1-2m)x的图象经过点A(x1,y1)和B(x2,y2),当x1<x2时,y1<y2,则m的取直范围是...
參考答案:y1=(1-2m)x1
y2=(1-2m)x2
y1<y2
(1-2m)x1<(1-2m)x2
因为x1<x2
所以1-2m>0 m<1/2
又y=(1-2m)x 是正比例函数
故1-2m>0
得m<1/2