Question

What is the distance between (2, -1) and (-1, -5) on the coordinate plane?

Answer 1

C. 5 units is the answer and I am typing to make in 20 characters long.

Answer 2

you can use this formula:

$d = \sqrt{ {(xa - xb)}^{2} - {(ya - yb)}^{2}}$

a=(2,-1) and. b=(-1,-5)