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Mathematics 20 Online
OpenStudy (anonymous):

Write the equation of the line which passes through (2, –3) and is perpendicular to y = 4x + 7 in standard form.

OpenStudy (anonymous):

try to figure it out a perpendicular line has a negative reciprocal

OpenStudy (anonymous):

so -1/4 would be the slope

OpenStudy (anonymous):

the slope is a negative reciprocal*

OpenStudy (anonymous):

and if you plug in (2,-3) into y=-1/4x+b

OpenStudy (anonymous):

y=(-1/4)x+7/2

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