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OpenStudy (anonymous):
What is the slope of the line passing through the points (-3,4) and (2,-1)?
A) 1
B) -1
C) 3/5
D) -5/3
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OpenStudy (anonymous):
@Monkey4224
OpenStudy (anonymous):
i think its d?
OpenStudy (anonymous):
and it doesnt come with a picture (just to let you know)
OpenStudy (anonymous):
no idea.@pooja195 @triciaal @Michele_Laino @Kainui
OpenStudy (freckles):
evaluate
\[\frac{y_1-y_2}{x_1-x_2} \\ \text{ where } (x_1,y_1)=(-3,4) \text{ and } (x_2,y_2)=(2,-1)\]
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OpenStudy (anonymous):
ohh ok let me try the work
OpenStudy (anonymous):
what is 2-(-3)?
OpenStudy (freckles):
2-(-3) is the same as 2+3
since - times a - is positive
OpenStudy (anonymous):
ok so that means that i got -1! thx
OpenStudy (anonymous):
@freckles btw your expression i had to do it backwards so that i made sense
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OpenStudy (freckles):
\[\frac{4-(-1)}{-3-2} \text{ is the same as } \frac{-1-4}{2-(-3)} \\ \]
either way gives you the correct slope
OpenStudy (freckles):
either way makes sense
that is
\[\frac{y_2-y_1}{x_2-x_1} \text{ is the same as computing } \frac{y_1-y_2}{x_1-x_2}\]
OpenStudy (anonymous):
oh cuz my math teacher told me to do it backwards from the original way you wrote it but any way thx
OpenStudy (anonymous):
i fan btw and medal too
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