Question

find the length of the segment from (-3,2) to (5,-1)

Answer 1

the answer is \[\sqrt{73}\], i just have no idea on how to get there

Answer 2

The length L is given by:
\[L=\sqrt{(5-(-3))^2+(-1-2)^2}=\sqrt{8^2+(-3)^2}=\sqrt{64+9}=\sqrt{73}\]

Answer 3

So, you take the square of the difference of the x's coordinates , add it to the square of the difference of the y's coordinates. And then, square the whole number. You have to be careful with signs. Does that make sense?

Answer 4

it does, thank you. is that a specific formula that you're using though?

Answer 5

nevermind I found it, thanks!

Answer 6

Yeah. You're welcome, and thanks for the medal.