Write the equation for the vertical line that passes through the point (-7,5)
我感觉这题没讲完~
人气：289 ℃ 时间：2020-06-14 21:04:06
解答
翻译：写出过点（-7,5）的垂直线的方程.
但是为什么只有一个点呢?过一个点怎么有垂线呀?
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