carissa50 carissa50
  • 24-05-2020
  • Mathematics
contestada

What is the distance between points (1, 9) and (9, -6

Respuesta :

jimrgrant1 jimrgrant1
  • 24-05-2020

Answer:

17 units

Step-by-step explanation:

Calculate the distance d using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = (1, 9) and (x₂, y₂ ) = (9, - 6)

d = [tex]\sqrt{(9-1)^2+(-6-9)^2}[/tex]

   = [tex]\sqrt{8^2+(-15)^2}[/tex]

   = [tex]\sqrt{64+225}[/tex]

    = [tex]\sqrt{289}[/tex]

    = 17

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