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【OG20-P158-84题】
In the xy-coordinate plane, which of the following points must lie on the line kx + 3y = 6 for every possible value of k?
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题目:在平面直角坐标系中,下列哪个坐标一定落在kx+3y=6这条直线上,无论k取何值?
解答:k是变量,因此要确定直线上的一个定点可以使kx=0,即由直线方程式可知,这条直线与y轴相交于定点(0,2),因此答案为B.
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