Question 1124499: Find the value of p so that the line through (p,4) and (3, -1) has a slope of -5/8.
Found 2 solutions by rothauserc, MathLover1:
Answer by rothauserc(4718)   (Show Source):
You can put this solution on YOUR website! slope = (y2 - y1)/(x2 - x1)
:
-5/8 = (-1 -4)/(3-p)
:
-5/8 = -5/(3-p)
:
cross multiply the fractions
:
-5(3-p) = -40
:
3-p = 8
:
*************
p = 3-8 = -5
*************
:
check the answer
:
(-1-4)/(3-(-5)) = -5/8
:
answer checks
:
Answer by MathLover1(20850)  (Show Source):
You can put this solution on YOUR website! Find the value of  so that the line through (, ) and ( ,  ) has a slope of  .
given:
point ( , )=(,)
point ( , )=(,)
use formula or slope:
 ....plug in given values
 .......solve or
 ...simplify
so, (,)=( ,)
check the slope:
(,) and (, ) and see if it has a slope of
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