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y=2x+2 y=2x﹣2 y=2(x﹣2) y=2(x+2)
x+y-1=0 x+y+3=0 x-y+1=0 x-y+3=0
y=2x+2 y=2x-2 y=2(x+2) y=2(x-2)
y=2x+2 y=2x-2 y=2(x-2) y=2(x+2)
y=2x+2 y=2x﹣2 y=2(x﹣2) y=2(x+2)
y=2x+2 y=2x﹣2 y=2(x﹣2) y=2(x+2)
y=2x+2 y=2x-2 y=2(x-2) y=2(x+2)
y=2x -1 y=2x +1 y=2 (x -1) y=2 (x +1)
y=2x+2 y=2x-2 y=2(x-2) y=2(x+2)
2x-y=0 2x-y-2=0 x+2y-3=0 x-2y+3=0
y=﹣2(x+2) y=﹣2(x﹣2) y=﹣2x﹣2 y=﹣2x+2
2x-y=0 2x-y-2=0 x+2y-3=0 x-2y+3=0
2x–y=0 2x–y–2=0 x+2y–3=0 x+2y–5=0
,将直线l绕点A.旋转90º后,所得直线的解析式为【 】 A.y=x-2 y=-x+2 y=-x-2 y=-2x-1
y=2x+2 y=2x﹣2 y=2(x﹣2) y=2(x+2)
y=2x-4 y=2x+4 y=2x+2 y=2x-2
y=2x+2 y=2x﹣2 y=2(x﹣2) y=2(x+2)
y=-6x+1 y=-2x-3 y=-2x+5 y=2x-3