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Mathematics 17 Online
OpenStudy (anonymous):

**MEDAL FOR BEST ANSWER!**

hartnn (hartnn):

can you find the slope of line first ?

OpenStudy (anonymous):

-2/-3? Which doesn't that turn into 2/3?

hartnn (hartnn):

yes, slope = 2/3 is correct.

hartnn (hartnn):

now we have the slope and a point, so use \(y-y_1= m (x-x_!)\)

hartnn (hartnn):

where m = 2/3 x1 = 1 y1 = 5

OpenStudy (anonymous):

Okay so y-5 = 2/3 (x-1)

hartnn (hartnn):

yes! now we'll bring it in standard form of ax+by = c

hartnn (hartnn):

start by multiplying 3 on both sides

OpenStudy (anonymous):

So 3y - 15 = 2x - 2?

hartnn (hartnn):

yes, can you proceed to get the form ax+by = c ?

hartnn (hartnn):

you'll need to bring 2x on left and all constants on right...

OpenStudy (anonymous):

Is it -2x + 3y = 13?

hartnn (hartnn):

yes, thats correct, but we usually keep the co-efficient of 'x' as positive so that will be same as 2x - 3y = -13 got this ?

OpenStudy (anonymous):

Ohh okay! I usually get stuff like that wrong so now I see what I did! Thank you!

hartnn (hartnn):

welcome ^_^

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