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elmarie2 elmarie2
  • 13-04-2016
  • Mathematics
Answered

If the slope of the line through points (3 , -2) and (1 , k) is 3/5 , find the value of k

Verified Answer :

penfila11Pen
penfila11Pen penfila11Pen
  • 14-04-2016

Point slope formula is:
(y₂-y₁)=m(x₂-x₁)
(k - (-2) =\(\frac{3}{5}\)(1 - 3)
k + 2 = \(\frac{3}{5}\) (-2)
k + 2 = \(- \frac{6}{5}\)
k = -16/5 = -3 1/5

check:
\(\frac{-3.2 + 2}{1 - 3} = \frac{3}{5}\)

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