Aidenfuentes22 Aidenfuentes22
  • 12-08-2020
  • Mathematics
contestada

slope=-3, passing through (-9, -9)

Respuesta :

ChopinTheChicken
ChopinTheChicken ChopinTheChicken
  • 12-08-2020

Hey there! I'm happy to help!

We want to find the equation of a line in y-intercept form, which is y=mx+b, where x and y are a point on the line, m is the slope, and b is the y-intercept.

We already know that our slope is -3.

y=-3x+b

We want to solve for b now. We can plug in our point (-9,-9) to solve for it.

-9=-3(-9)+b

-9=27+b

b=-36

So, our equation is y=-3x-36.

I hope that this helps! Have a wonderful day! :D

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