roro1231
roro1231 roro1231
  • 06-10-2018
  • Mathematics
contestada

How to find the distance AB ? A(0,1) B(2,-3)

Respuesta :

sid071
sid071 sid071
  • 06-10-2018

Hey there!!

Distance formula :

[tex]\sqrt{(y2-y1)^{2} + (x2-x1)^{2}  }[/tex]

Coordinates given :

( 0,1 ) and ( 2,-3 )

( y2 = -3 ; y1 = 1 ) ( x2 = 2 ; x1 = 0 )

Plugging in the values :

... [tex]\sqrt{(-3-1)^{2}+(2-0)^{2} }[/tex]

... [tex]\sqrt{(-4)^{2}+(2)^{2} }[/tex]

... [tex]\sqrt{16+4}[/tex]

... [tex]\sqrt{20}[/tex]

... [tex]\sqrt{5}[/tex]×[tex]\sqrt{4}[/tex]

... 2[tex]\sqrt{5}[/tex] units is the distance.

Hope my answer helps!!

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