simonemaxey simonemaxey
  • 28-03-2020
  • Mathematics
contestada

what is the equation of the line that passes through the points (-4,8) and (2,-1)

Respuesta :

altavistard
altavistard altavistard
  • 28-03-2020

Answer:

y - 8 = (3/2)(x + 4)

Step-by-step explanation:

As we move from (-4, 8) to (2, -1), x increases by 6 (this is the run) and y decreases by 9 (this is the "rise").  Thus, the slope is

m = rise / run = 9/6, or 3/2.

Using the point-slope form of the equation of a straight line, we get:

y - 8 = (3/2)(x + 4)

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