bbeyLeylync8ynthaxx
bbeyLeylync8ynthaxx bbeyLeylync8ynthaxx
  • 14-05-2016
  • Mathematics
contestada

Slope = -4, passing through (7, 4)

Respuesta :

penfila11Pen
penfila11Pen penfila11Pen
  • 14-05-2016
I am guessing you want the equation, so here we go.
the equation of a line is:
           y = mx + c
To find c, plug in the given
y = 4
x = 7
m = -4

4 = -4(7) + c
4 = - 28 + c
take -28 to the other side
    4 = -28 + c
+28   +28
32 = c

equation of this line:
y = -4x + 32
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