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Mathematics 6 Online
OpenStudy (elisaneedshelp):

? lines have slopes of 0, and ? lines have undefined slopes. A. horizontal, vertical B. vertical, horizontal C. straight, curved D. rise, run

OpenStudy (mertsj):

Just think for a moment. Slope is rise over run. If the denominator is 0, that is undefined and the slope is undefined. So what sort of line has no run? Or another way to say that is...which lines don't go to the left or the right?

OpenStudy (elisaneedshelp):

Vertical lines

OpenStudy (mertsj):

There you go. Similarly, horizontal lines have no rise, so the numerator is 0 and those slopes are 0. So what are you going to choose for your answer?

OpenStudy (elisaneedshelp):

A

OpenStudy (mertsj):

Perfect!!

OpenStudy (elisaneedshelp):

Thank you @Mertsj :)

OpenStudy (mertsj):

yw

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