SOLUTION: R has coordinates (-4,9). S has coordinates (4,-6). What is RS?

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Question 904366: R has coordinates (-4,9). S has coordinates (4,-6). What is RS?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the distance formula,
D%5E2=%28-4-4%29%5E2%2B%289-%28-6%29%29%5E2
D%5E2=%28-8%29%5E2%2B%2815%29%5E2
D%5E2=64%2B225
D%5E2=289
D=17