kayl33pistilli kayl33pistilli
  • 18-04-2020
  • Mathematics
contestada

equation of a line that has a slope of -2 and passes through the point (-1,8)

Respuesta :

Sarah06109
Sarah06109 Sarah06109
  • 18-04-2020

Answer:

y= -2x +6

Step-by-step explanation:

Since we have a point, and the slope, we can use the point slope formula

[tex]y-y_{1} =m(x-x_{1} )[/tex]

m is the slope, y1 is the y coordinate of the point, and x1 is the x coordinate of the point

In this case, m is -2, y1 is 8, and x1 is -1, so we can substitute them in

y-8= -2(x--1)

Now, we need to solve for y

y-8=-2(x+1)

Distribute the -1

y-8= -2x-2

Add 8 to both sides

y= -2x +6

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