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[Problem Solving]

试题详情

题目:

The diagram shows a graph where two coordinating points are given, which are, Q(4, 0) at x-axis and P(0, 6) at y-axis.

In the rectangular coordinate system shown above, points O, P, and Q represent the sites of three proposed housing developments. If a fire station can be built at any point in the coordinate system, at which point would it be equidistant from all three developments?

选项:

A、(3,1)
B、(1,3)
C、(3,2)
D、(2,2)
E、(2,3)

答案:

E

提问:

想问一下图片里这个题,怎么用几何方法做呢?就是根据直线画图的方法,代数我明白了,但是我觉得这题可以用直线描点的方法做,虽然我还没有特别想清楚,请您帮忙回答一下~

解答:

点赞1
阅读201
解答: 徐小梅

提问:

想问一下图片里这个题,怎么用几何方法做呢?就是根据直线画图的方法,代数我明白了,但是我觉得这题可以用直线描点的方法做,虽然我还没有特别想清楚,请您帮忙回答一下~

解答:

点赞1
阅读202
解答: 徐小梅老师

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