Help with AP Calc hw :(
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Help with AP Calc hw :(

[From: ] [author: ] [Date: 11-09-09] [Hit: ]
find the slope between (-3,3) and (8.......
Can anyone explain how to use slope in this question?

Use the concept of slope to find t such that the three points are collinear.
(-3,3) (t,-1), (8,6)

I think the slope is 3/11 o.o but don't know how to find t.

-
Hello

find the slope between (-3,3) and (8.6):
m = (6-3)/(8- -3) = 3/11

Using the components of the third point and of the first point with the same m:
m = 3/11 = (t- 3)/(-1 - -3) = (t - 3)/2)
6/11 = t - 3
t = 6/11 + 3 = 39/11

Regards
1
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