FIND THE VALUE OF K IF THE SLOPE OF LINE PASSING THROUGH THE POINTS (K,2) &(6,8) IS -5/4
keerthika1998lekha:
is it -5/4 or +5/4?
-5/4
ok
is the answer = 54/5?
Answers
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Let slope be M.
M =
-5/4 = (8-2) / (6 - k)
-5/4 = 6 / 6-k
Cross multiplying,
-5(6-k) = 6(4)
-30 + 5k = 24
5k = 54
k = 54 / 5 (or) 10.8
M =
-5/4 = (8-2) / (6 - k)
-5/4 = 6 / 6-k
Cross multiplying,
-5(6-k) = 6(4)
-30 + 5k = 24
5k = 54
k = 54 / 5 (or) 10.8
EXPECTED ANS IS -6/5
is the question crkt?
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