SOLUTION: when given 2 coordinates ie., (-3,-3) and (2,6) how do you know which one is y1,y2,x1,x2? which one would be put into the equation first as far as the top and bottom?

SOLUTION: when given 2 coordinates ie., (-3,-3) and (2,6) how do you know which one is y1,y2,x1,x2? which one would be put into the equation first as far as the top and bottom?

Algebra.Com

Question 266165: when given 2 coordinates ie., (-3,-3) and (2,6) how do you know which one is y1,y2,x1,x2? which one would be put into the equation first as far as the top and bottom?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
(-3,-3) and (2,6)
You can assign them either way:
(x1,y1) and (x2,y2)
[Slope=(y2-y1)/(x2-x1)]
(6+3)/(2+3)=9/5
or:
(x2,y2) and (x1,y1)
(-3-6)/(-3-2)=-9/-5=9/5
Same answer.

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