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OpenStudy (anonymous):
are the lines y=2/3x -7 and y= -5 +5/9x parallel, perpendicular, or neither ?
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OpenStudy (anonymous):
what do you think it is
OpenStudy (anonymous):
i'm thinking parallel? but i'm not entirely sure.
OpenStudy (anonymous):
no if you were to graph them out you would find that they are neither
OpenStudy (anonymous):
how could you tell without graphing them?
OpenStudy (anonymous):
Find the slope (m) of each line. If the slope is the same, they're parallel. If the slopes are negative inverses (m and -1/m), they're perpendicular. Otherwise, they're neither.
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OpenStudy (anonymous):
okay, thanks so much!!
OpenStudy (anonymous):
yeah no problem let me know if you need anything else
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