Question

The points A(-3,5) and B(1, -2) are located in a coordinate plane.

What is the approximate distance between the two points?
0 8.1
0 7.3
0 1.7
0 5.0

Answer 1

8.1

Explanation:

To calculate the distance d use the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = (- 3, 5) and (x₂, y₂ ) = (1, - 2)

AB =
`√((1+3)^2+(-2-5)^2)`

=
`√(4^2+(-7)^2)`

=
`√(16+49)`

=
`√(65)` ≈ 8.1 ( to 1 dec. place )