题目内容
A.(-2,2) B.(2,3) C.(-6,0) D.(-6,3)
向量把点(2,-1)平移到(-2,1),则它把(-2,1)平移到 ( )
按向量a把点(2,-3)平移到(0,1),则按a把点(7,1)平移到( )
A.(9,-3) B.(9,3) C.(5,5) D.(-5,-5)
A.(9,-3) B.(9,3) C.(5,5) D.(-5,-5)