taylorsmith222
taylorsmith222 taylorsmith222
  • 06-07-2016
  • Mathematics
contestada

What is the point-slope form of a line with slope -5 that contains the point (2, -1)?

Respuesta :

poojaa195
poojaa195 poojaa195
  • 06-07-2016
Point slope formula: 
[tex]y-y_1=m(x-x_1) [/tex]
We know that:
y1=-1
x1=2
m=-5 
So we plug those into the formula
[tex]y-(-1)=-5(x-2) [/tex]
negative + negative= positive so.. 
Final answer:
[tex]y+1=-5(x-2) [/tex]
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 07-07-2016
point slope form
y-y1=m(x-x1) where
m=slope and you are given a point (x1,y1)

slope=-5
point is (2,-1)
x1=2
y1=-1
m=-5

so
y-(-1)=-5(x-2)
y+1=-5(x-2) is answer
Answer Link

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