paulred8123 paulred8123
  • 04-06-2019
  • Mathematics
contestada

what is an equation of the line containing the points (-1,5) and (3,9)​

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sqdancefan
sqdancefan sqdancefan
  • 12-06-2019

Answer:

  y = x+6

Step-by-step explanation:

You can find an equation by using the 2-point form of the equation for a line:

  y = (y2 -y1)/(x2 -x1)·(x -x1) +y1

Filling in the given values, we have ...

  y = (9 -5)/(3 -(-1))·(x -(-1)) +5

  y = (4/4)(x +1) +5 . . . . simplifying a bit

  y = x +6

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