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  • 20-04-2015
  • Mathematics
Answered

What is the slope of a line that goes through the points (4,1) and (2,5)

Verified Answer :

Panoyin
Panoyin Panoyin
  • 20-04-2015

\(m = \frac{y_2 - y_1}{x_2 - x_1} = \frac{5 - 1}{2 - 4} = \frac{4}{-2} = -2\)


\(y - y_1 = m(x - x_1)\)
\(y - 1 = -2(x - 4)\)
\(y - 1 = -2x + 8\)
\(y = -2x + 9\)


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