Question

Find the distance between the two points rounding to the nearest tenth (if necessary).

(4,2) and (1, -2)

Answer 1

5 units

Explanation:

Calculate the distance d using the distance formula

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

with (x₁, y₁ ) = (4, 2) and (x₂, y₂ ) = (1, - 2)

d =
`√((1-4)^2+(-2-2)^2)`

=
`√((-3)^2+(-4)^2)`

=
`√(9+16)`

=
`√(25)`

= 5