ansley226 ansley226
  • 22-05-2019
  • Mathematics
contestada

What is the slope of the line that contains the points (-1,2) and (3,3)?

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 22-05-2019

Answer:

1/4

Step-by-step explanation:

To find the slope of a line from two points we use

m = (y2-y1)/(x2-x1)

m = (3-2)/ (3--1)

   = (3-2)/(3+1)

  =1/4

Answer Link
ponton
ponton ponton
  • 22-05-2019

Step-by-step explanation:

A(-1,2) and B(3,3) then AB=(4,1).

Normal vector

n=(-1,4)

Our line contains point A(-1,2) and has normal vector n=(-1,4) is

[tex](d) : - 1(x + 1) + 4(y - 2) = 0[/tex]

[tex](d ): - x - 1 + 4y - 8 = 0[/tex]

[tex](d) : - x + 4y - 9 = 0[/tex]

Answer Link

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