Question

Someone please help me answer this!!

Answer 1

8 units is the answer.

Explanation:

Pythagorean theorem can be written as,

`d=√((x_2-x_1)^2 + (y_2-y_1)^2) \\\\d=√((9-9)^2 + (-7-1)^2)\\\\d=√((0\\)^2+(-8)^2) \\\\d=√(64) \\\\d=8`

∴ d = 8 units