题目内容
方程x=ay2与y=ax+b2(ab≠0)的图象只可能是下图中的( )
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D
对于A:y=ax+b2(a>0),y2=
x(a<0),不符;
对于B:y=ax+b2(a<0,b2<0),不符;
而对于C:y=ax+b2(a<0),y2=
x(a>0),也不符;
对于D:y=ax+b2(a>0,b2>0),y2=
x(a>0),吻合.

对于B:y=ax+b2(a<0,b2<0),不符;
而对于C:y=ax+b2(a<0),y2=

对于D:y=ax+b2(a>0,b2>0),y2=

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