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(x+1)2+y2=2 (x-1)2+y2=2 (x+1)2+y2=4 (x-1)2+y2=4
B.,则直线AB的方程为( ) A.2x+y-3=0 2x-y-3=0 4x-y-3=0 4x+y-3=0
x+y-1=0 x+y+3=0 x-y+1=0 x-y+3=0
(x+1)2+(y+4)2=4 (x﹣1)2+(y﹣4)2=4 (x﹣4)2+(y﹣1)2=4 (x+4)2+(y+1)2=4
y3<y2<y1 y1<y2<y3 y2<y1<y3 y2<y3<y1
3x-y-5=0 x+3y-5=0 3x-y-1=0 x+3y-1=0
c1y1+c2y2+y3 c1y1+c2y2-(c1+c3)y3 c1y1+c2y2-(1-c1-c2)y3 c1y1+c2y2+(1-c1-c2)y3
3x-y-5=0 3x+y-7=0 3x-y-1=0 3x+y-5=0
3x-y-5=0 3x+y-7=0 x+3y-5=0 x-3y+1=0
x+3y-4=0 x+3y-10=0 3x-y+4=0 3x-y=0
B.,则直线AB的方程为( ) A.2x+y-3=0 2x-y-3=0 4x-y-3=0 4x+y-3=0
, ,则直线AB的方程为( ) A.2x+y-3=0B.2x-y-3=0 4x-y-3=0 4x+y-3=0
x+y-5=0 x+y-3=0 x-y-1=0 x-y+1=0