samalam03 samalam03
  • 24-07-2018
  • Mathematics
contestada

What is the point slope of the line when slope is -4 and the given coordinates are (4,-9)

Respuesta :

gmany
gmany gmany
  • 26-07-2018

The point-slope form of the equation of a straight line is:

[tex]y-y_1=m(x-x_1)[/tex]

We have:

[tex]m=-4\\(4;-9)\to x_1=4;\ y_1=-9[/tex]

Substitute:

[tex]y-(-9)=-4(x-4)\\\\\boxed{y+9=-4(x-4)}[/tex]

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