Point E is located at (–2, 2) and point F is located at (4, –6). What is the distance between points E and F?
Multiple choice: square root of 52, square root of 28, square root of 20, and 10.

Question

Point E is located at (–2, 2) and point F is located at (4, –6). What is the distance between points E and F?
Multiple choice: square root of 52, square root of 28, square root of 20, and 10.

anonymous · Answer

i am getting the square root of 80 idk ..help please?

anonymous · Answer

use the distance formula

i forgot how the formula went

anonymous · Answer

r^2 = (x2 - x1)^2 + ( y2-y1)^2

anonymous · Answer

The answer is 10. Here's why using the distance formula:
$$d=\sqrt{(-2-4)^{2}+(2--6)^{2}}=\sqrt{36+64}=10$$

anonymous · Answer

@alex10101 thanks! i messed up i wasnt getting 36

anonymous · Answer

@tallymark124 No problem!