Answer:
Explanation:
( I think, if this is not correct please let me know)
So the formula is on there and all you have to do is fill in the Xs and Ys.
Square root of (-4 - 2)^2 + (7 - 1)^2
Solve inside parentheses:
(-6)^2 + (6)^2
Square the numbers
36 + 36
Add
72
Now we have to find the square root of 72, which is about 8.5 ( rounded to the nearest tenth )