Review Distance Formula?

Question

Find the distance between the points P(1, 4) and Q( -3, -2)

I worked it out and i got 2√7

is it correct

thats for helping me with the problem

Answer 1

Distance Formula is :

d = √(x1 - x2)^2 + (y1 - y2)^2

check your answer.

Answer 2

[square root (-3-1)^2 + (-2 - 4)^2]

[square root (-4)^2 + (-6)^2]

[square root 16+36]

[square root 52]

[square root 4 x 13] (four times seven)

2[square root 13]

Answer 3

I would love to see your work.

I got a different number beneath the radical.