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Mathematics 10 Online
OpenStudy (anonymous):

What is the slope of the graph of the line x = –1?

OpenStudy (castiel):

The slope is undefined. It is a vertical line.

OpenStudy (anonymous):

A. –1 B. 1 C. The slope is undefined. D. 0

OpenStudy (anonymous):

oh so c then thanks

OpenStudy (castiel):

slope of a function is change in y values divided by change is x values. here you don't have any changes in x values since it's always constant -1 so the change is 0. You can't divide a number with zero so the slope is undefined.

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