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Mathematics 13 Online
OpenStudy (anonymous):

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5). Gold medal will be given!

OpenStudy (lexluth0r):

You use the slope formula which is y2-y1/x2-x1

OpenStudy (anonymous):

so it would be 3-1/-3-5?

OpenStudy (lexluth0r):

yes, but change it so the y is on top because it's rise/run which means y/x

OpenStudy (anonymous):

so would it be 2/2?

OpenStudy (lexluth0r):

and it would be -3-(-5) OR just -3+5 because thats what happens when you subtract a negative

OpenStudy (lexluth0r):

let me check

OpenStudy (anonymous):

which would give me 1 if i simplified that correct?

OpenStudy (lexluth0r):

I believe you may have done it wrong

OpenStudy (anonymous):

What step did i do wrong?

OpenStudy (lexluth0r):

y2-y1 would mean you do the y value from the second point minus the y value from the first point

OpenStudy (lexluth0r):

and the same goes for x

OpenStudy (mrnood):

-3 - (-5)

OpenStudy (lexluth0r):

it should be -3-(-5)/1-3

OpenStudy (anonymous):

so i should get -2/2?

OpenStudy (lexluth0r):

yes

OpenStudy (lexluth0r):

C;

OpenStudy (anonymous):

and if i simplified that i would get -1?

OpenStudy (mrnood):

|dw:1430144743223:dw|

OpenStudy (lexluth0r):

eeyup!

OpenStudy (lexluth0r):

And I guess that's the graph of the line. Thanks, @MrNood

OpenStudy (anonymous):

Thank you guys!

OpenStudy (lexluth0r):

Np! glad to help!

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