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Mathematics 13 Online
OpenStudy (briggles1999):

Medal and fan:) Slope and stuff XD

OpenStudy (briggles1999):

what is the slope of the line shown in this graph? -2 -1 1 2

OpenStudy (anonymous):

Hi! All you do is plug your answers into the slope formula: \[\frac{ y2-y1 }{ x2-x1}\] Here are your points: 0,3 and 1,1 Do you know which numbers are X's and which are Y's? :)

OpenStudy (briggles1999):

umm. isnt the one on the right x?

OpenStudy (anonymous):

The numbers to the left of the comma are X's. The numbers to the right of the comma are Y's. Therefore, your X's are: 0, 1 Your Y's are: 3, 1. Does this make sense so far? :)

OpenStudy (briggles1999):

yep

OpenStudy (anonymous):

Okay! Now, Here are your X's: 0, 1. 0 is going to be your X1, simply because it is in the first order pair. 1 is your X2. The same goes for the Y's: 3 is your Y1 because it is in the first ordered pair. 1 is your Y2.

OpenStudy (briggles1999):

ok

OpenStudy (anonymous):

\[\frac{ 1-3 }{ 1-0 } = \frac{ -3 }{ 1}\]

OpenStudy (anonymous):

I see this isn't an answer choice tho. :( gimmie one second

OpenStudy (briggles1999):

k

OpenStudy (briggles1999):

how about doing rise over run?

OpenStudy (anonymous):

OMG! No wonder it's not an answer, 1-3 is -2. XDDD I'm sorry!!! Yes, -2/1 is the same as -2. There's your slope!

OpenStudy (briggles1999):

thank you:)

OpenStudy (anonymous):

No problem! Sorry for my terrible subtraction XD

OpenStudy (briggles1999):

its ok lol

OpenStudy (briggles1999):

6 out of 6 :) @mkbwashere thanks so much

OpenStudy (anonymous):

No problem!! :)

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