Question

Atch help video

Find the distance between the two points rounding to the nearest tenth (if necessary).
(8, 2) and (-1,5)
Answer:
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Answer 1

d ≈ 9.5

Explanation:

Calculate the distance using the distance formula

d =
`\sqrt{(x_(2)-x_(1))^2+(y_(2)-y_(1))^2 }`

with (x₁, y₁ ) = (8, 2) and (x₂, y₂ ) = (- 1, 5)

d =
`√((-1-8)^2+(5-2)^2)`

=
`√((-9)^2+3^2)`

=
`√(81+9)`

=
`√(90)`

≈ 9.5 ( to the nearest tenth )