Buthead503 Buthead503
  • 08-07-2019
  • Mathematics
contestada

Find the distance between the points (-3, 2) and (4, -5)

Respuesta :

gmany
gmany gmany
  • 13-07-2019

Answer:

[tex]\large\boxed{7\sqrt2}[/tex]

Step-by-step explanation:

The formula of a distance between two points:

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

We have the points (-3, 2) and (4, -5). Substitute:

[tex]d=\sqrt{(4-(-3))^2+(-5-2)^2}=\sqrt{7^2+(-7)^2}=\sqrt{49+49}=\sqrt{(49)(2)}\\\\\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\=\sqrt{49}\cdot\sqrt2=7\sqrt2[/tex]

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