Question

What is the distance between the points (8, 3) and (8, –6)?

A.
3 units

B.
8 units

C.
9 units

D.
17 units

Answer 1

use distance formula
sqrt {(x2-x1)^2+(y2-y1)^2}

Answer 2

that makes no sense to me

Answer 3

so

sqrt {(8-8)^2 + (-6-3)^2 }

sqrt {0^2+-9^2}

sqrt (81)

9