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Mathematics 15 Online
OpenStudy (lilai3):

PLEASE HELP! I HAVE A TEST TOMORROW! WILL REWARD MEDAL/FAN! Find the value of r so that the line through (-4, 3) and (r, -3) has a slope of 2/3. Thank you!

OpenStudy (aravindg):

Do you know the slope formula?

OpenStudy (lilai3):

is it y2-y1 over x2-x1?

OpenStudy (kainui):

Exactly, you're pretty much almost done with the problem!

OpenStudy (lilai3):

?

OpenStudy (kainui):

Take your best guess at how to use the formula for slope to solve this, and I'll help nudge you in the right direction. You're almost there, seriously lol

OpenStudy (lilai3):

can you show me how to solve for x? i'm still really sorta confused with that... i know how to get the answer using the formula, but i don't really get how to solve for r.

OpenStudy (kainui):

Sure, show me where you get stuck and I'll help.

OpenStudy (lilai3):

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