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Mathematics 7 Online
OpenStudy (anonymous):

Please Help! Fan + Medal! Posted Below!

OpenStudy (anonymous):

@jim_thompson5910 Mind Helping With This One ? :)

jimthompson5910 (jim_thompson5910):

first off, what's the slope of 3x - 2y = 5

OpenStudy (anonymous):

Give Me One Second

jimthompson5910 (jim_thompson5910):

ok

OpenStudy (anonymous):

The Slope Is 3/2

OpenStudy (anonymous):

\[\frac{ 3 }{ 2 }\]

jimthompson5910 (jim_thompson5910):

now flip the fraction and flip the sign to get -2/3

jimthompson5910 (jim_thompson5910):

so the slope of the final answer will be -2/3

jimthompson5910 (jim_thompson5910):

which answer choices have a slope of -2/3?

OpenStudy (anonymous):

C. And D.

OpenStudy (anonymous):

I Believe It's D?

jimthompson5910 (jim_thompson5910):

what makes you say D?

OpenStudy (anonymous):

There Has To Be A Y-Intercept Right ? -1/3 Is The Y-Int

jimthompson5910 (jim_thompson5910):

plug in x = -2 and y = 1 into choice C what do you get

OpenStudy (arhin):

after getting the slope of the perpendicular line use \[slope=\frac{ y-y _{1} }{ x-x _{1} }\]

OpenStudy (anonymous):

No Solution Jim ?

jimthompson5910 (jim_thompson5910):

correct, you get a false statement, so that's why C is eliminated

OpenStudy (anonymous):

So The Only Left Over Possibility Is D . Thanks Jim!!!!!!

jimthompson5910 (jim_thompson5910):

yep you got it, yw

OpenStudy (arhin):

where \[x _{1}\] and \[y _{1}\] are (-2,1) respectively

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