Question

Which of the following sums would be under the radical symbol to find the distance between the points (7, -1) and (-8, -9)?

A) 1^2 + 10^2
B) 1^2 + 8^2
C) 15^2 + 8^2

Answer 1

u know distance formula ??

Answer 2

there isn't any

Answer 3

http://www.moomoomath.com/distance.jpg <-- distance formula.