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JosephKilani JosephKilani
  • 12-02-2017
  • Mathematics
Answered

Write the equation of the line that passes through (–1, 5) and has a slope of 3 in point-slope form.


x + 1 = 3(y – 5)

x – 5 = 3(y + 1)

y – 5 = 3(x + 1)

y + 1 = 3(x – 5)

Verified Answer :

kusidesmo
kusidesmo kusidesmo
  • 27-09-2019

using the formula

\(y - y1 = m(x - x1)\)

where m is the slope or gradient

from the question, x1 = -1 and y1 =5

and gradient/slope m = 3

substituting them in the formula

\(y - 5 = 3(x - ( - 1))\)

\(y - 5 = 3(x + 1)\)

\(y - 5 = 3 x + 3\)

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