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how do we do this please explain.
slope = m = (y2-y1)/(x2-x1) your points (0,-15)-->(x1,y1) (-2,4)-->(x2,y2)
slope can also be defined as rise / run or the change in y over the change in x
using the above formula for slope, with those points for the x1, y1, x2, y2 you should come to the answer just fine
19/-2=-9.5=ans. this can be used to check your answer
how did you get that?
are you serious? I just completely explained to you.. just think a little, read what I have wrote and you should be fine
yes but i don't get how we divide which numbers by which.
okay so if you are given a point. which one is x and which one is y (#,#)?
oh wait i think i get it.
you are given 2 x's and 2 y's
rise / run = slope; rise = difference in y run = difference in x
difference --> subtraction just make sure if you put y1 in front on top you put x1 in front on bottom
or vice versa it doesn't matter.
Oh thanks a lot bud! I really appreciate it!