SOLUTION: what's he distance between this points (-3,4),(1,-1), i tried to get it solved with the formula, but it seems that in the book it's done in the wrong way thank for helping.

Algebra ->  Coordinate-system -> SOLUTION: what's he distance between this points (-3,4),(1,-1), i tried to get it solved with the formula, but it seems that in the book it's done in the wrong way thank for helping.       Log On


   

Question 548303: what's he distance between this points (-3,4),(1,-1), i tried to get it solved with the formula, but it seems that in the book it's done in the wrong way thank for helping.
Found 2 solutions by stanbon, josmiceli:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
distance between this points (-3,4),(1,-1),
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d = sqrt[(1--3)^2 + (-1-4)^2] = sqrt[16 + 25] = sqrt(41)
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Cheers,
stan H.
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Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+d+=+sqrt%28+%28+1+-%28-3%29+%29%5E2+%2B+%28+-1+-+4+%29%5E2+%29+
+d+=+sqrt%28+4%5E2+%2B+%28-5%29%5E2+%29+
+d+=+sqrt%28+16+%2B+25+%29+
+d+=+sqrt%28+41+%29+
+d+=+6.403+
Hope I got it