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URGENT PLZ HELP!
Find the value of x so that the points
(x, 2) and (-5, 8) lie on a line with a slope
of -1.

Respuesta :

sqdancefan

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Answer:

  x = 1

Step-by-step explanation:

The slope formula can be useful here.

  m = (y2 -y1)/(x2 -x1)

  -1 = (8 -2)/(-5 -x)

  5 + x = 6 . . . . . . . . multiply by (-5-x)

  x = 1 . . . . . . . . subtract 5

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