Mathematics
14 Online
OpenStudy (perii224):
Find the slope of the line passing through points P(8, -1), Q(0, -7).
¾
-4/3
-3/4
4/3
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OpenStudy (anonymous):
Same method as before, you trying figuring this out on your own. @perii224
OpenStudy (anonymous):
Plug them in: (x1, y1) and (x2, y2)
OpenStudy (igreen):
\(m = \dfrac{y_2-y_1}{x_2-x_1}\)
\(y_2 = -7\)
\(y_1 = -1\)
\(x_2 = 0\)
\(x_1 = 8\)
Plug them in and solve.
OpenStudy (igreen):
Can you do that? @perii224
OpenStudy (perii224):
I Tried.. I Got -1 /:
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OpenStudy (igreen):
Nope.. I got something else.
OpenStudy (igreen):
\(m =\dfrac{y_2-y_1}{x_2-x_1} \rightarrow m = \dfrac{-7 - (-1)}{0-8}\)
Now can you solve?
OpenStudy (anonymous):
-6
___ = ? and then turn the ? into a fraction and that's your answer.
-8
OpenStudy (perii224):
Ok, I Got 0.75 Now
OpenStudy (igreen):
Yep, you goti t.
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OpenStudy (anonymous):
What is that written as a fraction ?
OpenStudy (perii224):
So -3/4
OpenStudy (igreen):
*it
OpenStudy (anonymous):
Yes
OpenStudy (igreen):
No..not -3/4.
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OpenStudy (igreen):
-3 / 4 = -0.75 not 0.75
OpenStudy (perii224):
Yup, I Got -0.75
OpenStudy (anonymous):
Oops, no. Didn't see that - sign
OpenStudy (igreen):
-0.75 is incorrect
OpenStudy (igreen):
\(m =\dfrac{y_2-y_1}{x_2-x_1} \rightarrow m = \dfrac{-7 - (-1)}{0-8} \rightarrow m = \dfrac{-6}{-8}\)
Now divide that, what do you get
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OpenStudy (igreen):
get?*
OpenStudy (perii224):
Oh Okay, I See Now.
OpenStudy (igreen):
Okay, what did you get as the answer?