Question

How many units is the point (-3,-8) from the point (9,-8

Answer 1

12 units

Explanation:

Calculate the distance using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = (- 3, - 8) and (x₂, y₂ ) = (9, - 8)

d =
`√((9+3)^2+(-8+8)^2)`

=
`√(12^2+0^2)`

=
`√(144)` = 12