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Find the distance between the two points in simplest radical form.

(-8,-2) and (-6,2)
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Answer:

The distance between (-8,-2) and (-6,2) is:


  • \:d=2√(5)

Explanation:

Given the points

  • (-8,-2)
  • (-6,2)

Computing the distance between (x₁, y₁) and (x₂, y₂)


d=√(\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2)

substituting (x₁, y₁) = (-8,-2) and (x₂, y₂) = (-6,2)


=√(\left(-6-\left(-8\right)\right)^2+\left(2-\left(-2\right)\right)^2)


=√(\left(-6+8\right)^2+\left(2+2\right)^2)


=√(2^2+4^2)


=√(20)


=√(2^2\cdot \:5)


=√(5)√(2^2)
\sqrt[n]{ab}=\sqrt[n]{a}\sqrt[n]{b}


=2√(5)
\sqrt[n]{a^n}=a

Therefore, the distance between (-8,-2) and (-6,2) is:


  • \:d=2√(5)
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