Answer: The answer is 2
Explanation:
ok so x2 minus x1 = -1 minus -3 = 2, 2 to the 2nd power equals 4
then y2 minus y1= -1 - 1 = 0 and 0 to the second power is still zero
4 + 0 = 4
now all you have to do is find the square root of 4 which is 2
so the answer is 2