已知集合 A={(x,y)|y=x−1} ， B={(x,y)|y=3x+1} ，则 A∩B=_刷题宝

题干

已知集合 A={(x,y)|y=x−1} ， B={(x,y)|y=3x+1} ，则 A∩B= （）

A： ${(1, 0)}$

B： ${(2, 1)}$

C： ${(- 1, - 2)}$

D： ${(- 2, - 3)}$

上一题下一题 0.0难度选择题更新时间:2020-02-06 02:28:26

答案(点此获取答案解析）

C

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