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A line has a gradient of 4 and passes through the point (1, 9). What it's equation?
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12 votes
A line has a gradient of 4 and passes through the point (1, 9). What it's equation?

User John Xiao
by
4.1k points

1 Answer

7 votes

answer: y - 4x - 5= 0

Explanation:

  • y - y1 = m(x - x1)
  • y - 9 = 4( x - 1)
  • y - 9 = 4x - 4
  • y - 4x = -4 + 9
  • y - 4x = 5
  • y - 4x - 5 = 0

User RckMrkr
by
4.0k points
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