SOLUTION: what is the length of line st if s is at -6,-4 and t is at 5,-9 in a line graph

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Question 753803: what is the length of line st if s is at -6,-4 and t is at 5,-9 in a line graph
Answer by Cromlix(4381) About Me  (Show Source):
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Distance formula = sqroot (x2- x1)^2 + (y2 - y1)^2
Using (-6 ,-4) and (5, -9)
sqroot (5-(-6))^2 + (-9 -(-4))^2
sqroot (11)^2 + (-5)^2
sqroot 121 + 25
sqroot 146
= 12.1 units