jayda90
jayda90 jayda90
  • 23-02-2019
  • Mathematics
contestada

what is the exact distance from (-1,4) to (6,-2)? in units​

Respuesta :

jimrgrant1 jimrgrant1
  • 23-02-2019

Answer:

[tex]\sqrt{85}[/tex]

Step-by-step explanation:

To calculate the distance (d) use the distance formula

d = √ (x₂ - x₁ )² + ( y₂ - y₁ )²

with (x₁, y₁ ) = (- 1, 4) and (x₂, y₂ ) = (6, - 2)

d = [tex]\sqrt{(6+1)^2+(-2-4)^2}[/tex]

  = [tex]\sqrt{7^2+(-6)^2}[/tex]

  = [tex]\sqrt{49+36}[/tex] = [tex]\sqrt{85}[/tex] ← exact distance

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