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Mathematics 17 Online
OpenStudy (vshiroky):

Find the slope of a straight line that passes through the given pair of points. (-3,0) and (0,-8)

OpenStudy (vshiroky):

I believe the slope is -8/3

OpenStudy (vshiroky):

@johnweldon1993 is that right? Sorry to bother you again lol

OpenStudy (johnweldon1993):

Haha don't worry about it, you can message/tag me anytime! That is correct.... y2 - y1 -8 - 0 -8 ------- = --------- = ------- x2 - x1 0 - (-3) 3 Good job :)

OpenStudy (vshiroky):

I may tag you some more if I have questions.. I hope you don't mind. Thank you :)

OpenStudy (johnweldon1993):

Not at all :) Anytime :)

OpenStudy (vshiroky):

and you said for a positive slope its up and to the right?

OpenStudy (vshiroky):

|dw:1392246070944:dw|

OpenStudy (johnweldon1993):

Right...|dw:1392246081563:dw|

OpenStudy (vshiroky):

Thank you!

OpenStudy (johnweldon1993):

Of course :)

OpenStudy (vshiroky):

OOO i think I have one last one... Hopefully haha

OpenStudy (vshiroky):

Find the slope for (-6,-3) and (2,-5) Is it 0?

OpenStudy (vshiroky):

or undefined

OpenStudy (johnweldon1993):

Not quite... -5 - (-3) -5 + 3 -2 --------- = -------- = ---- would be your slope 2 - (-6) 2 + 6 8

OpenStudy (vshiroky):

oops I missed that - - thing haha

OpenStudy (vshiroky):

So if I have m that equals -2 for the slope and (0,0) for the y intercept my equation is just y=-2x?

OpenStudy (johnweldon1993):

That is correct!

OpenStudy (vshiroky):

I think I might be starting to get it

OpenStudy (johnweldon1993):

Mmhmm it looks like it :) Doing great!

OpenStudy (vshiroky):

y+2x=5 y=-2x+5 Graphed would be |dw:1392246499652:dw|

OpenStudy (vshiroky):

I mean over 2 down 1

OpenStudy (johnweldon1993):

No no you were right the first time....remember rise slope = ----- run Your slope = -2 so think of that like -2 ---- same thing as -2 right? so yeah....down 2 over to the right 1 1

OpenStudy (vshiroky):

Gotcha. See I jinxed it ha

OpenStudy (johnweldon1993):

Haha but you still did get it right...just double thought yourself...never do that :)

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