Attilaaa
Attilaaa Attilaaa
  • 23-07-2014
  • Mathematics
contestada

X+2y+6=0

Solve for the value of "y"
And explain how to graph the result.

Respuesta :

AL2006
AL2006 AL2006
  • 23-07-2014
x + 2y + 6 = 0

Subtract (x + 6) from each side :

2y = -x - 6

Divide each side by 2 :

y = -1/2 x - 3

When the equation is in this form, you can look at it and know immediately
that the slope of its graph is -1/2 and its graph crosses the y-axis at y= -3.

In order to graph it, draw a straight line with a slope of -1/2 through the point
on the y-axis where y= -3 .
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