## anonymous 3 years ago What is the distance formula?

1. anonymous

-b + or - sqrt(b^2-4ac) / 2a

2. anonymous

There are multiple... it depends on the space and what metric you want. The most common is the Euclidean distance, i.e.$\sqrt{\Delta x^2+\Delta y^2}$

3. anonymous

it is an application of the pythagorean theorem...