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[Problem Solving]

试题详情

题目:

The graph of which of the following equations is a straight line that is parallel to line l in the figure above?

选项:

A、3y – 2x = 6
B、3y + 2x = 0
C、3y + 2x = 6
D、2y – 3x = 6
E、2y + 3x = -6

答案:

A

提问:

@徐小梅 老师,怎么一眼判断斜率是正数还是负数?

解答:

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阅读977
解答: 徐小梅

提问:

@徐小梅 老师,怎么一眼判断斜率是正数还是负数?

解答:

点赞0
阅读978
解答: 徐小梅老师

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