Question

Taking the square root of which of the following expressions gives the length of the line segment shown?


32 + (-5)2
42 + 72
72 - 42

Answer 1

none of the above

Answer 2

from -1 to 3 is 4 steps
from 2 to -5 is 7 steps
pythag gives distance as
\[\sqrt{4^2+7^2}\]