jetblackcap jetblackcap
  • 13-09-2018
  • Mathematics
contestada

Please help me out!!!!!!

Please help me out class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 19-09-2018

Given two points, (x1, y1) and (x2, y2), the slope can be found by ...

... slope = (change in y)/(change in x) = (y2-y1)/(x2-x1)

For your given points, the slope is

... slope = (79 -(-20))/(9 -(-2)) = 99/11 = 9

The point-slope equation for a line with slope m through point (h, k) is

... y -k = m(x -h)

You have m=9, h=-2, k=-20, so the equation is

... y +2 = 9(x +20)

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