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Mathematics 19 Online
OpenStudy (anonymous):

Draw a new set of axes and draw a horizontal line at y = 2 and a vertical line at x = -4. What is the slope of the horizontal line?

OpenStudy (anonymous):

What is the question askiing me to do?

OpenStudy (michele_laino):

|dw:1419842519752:dw| an horizontal line has the same slope in both coordinate systems, namely: slope=0

OpenStudy (anonymous):

so the slope of the horizontal line is 0?

OpenStudy (michele_laino):

yes! because the axis of your new coordinate system are parallel to the respective axis of the old coordinate system

OpenStudy (anonymous):

ok so then what is the slope of the vertical line?

OpenStudy (michele_laino):

the slope of a vertical line is infinity in both coordinate systems

OpenStudy (michele_laino):

|dw:1419842837711:dw|

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