Given L(-4,3) and M(-7,-2), what is the length of LM?

Answer:
I believe the answer is A. square root of 34
Step-by-step explanation:
Distance formula: square root of (x1-x2)^2 + (y1-y2)^2
So, d=sq rt of (-4--7)^2 + (3--2)^2
So, d=sq rt of 9 + 25
So, d=sq rt of 34