Question

A marina is in the shape of a coordinate grid. Boat A is docked at (3.1, −1) and Boat B is docked at (−4.1, −1). The boats are ____ units apart.

Answer 1

What's your choice?

Answer 2

it wants the distance between the two points, so simply apply the distance formula.

let one point be (x1,y1) and the other point be (x2,y2)

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