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Mathematics 17 Online
OpenStudy (anonymous):

Find the distance between the points (-4, -5) and (3, -1).

OpenStudy (anonymous):

use distance formula..

OpenStudy (anonymous):

i.e. d=sqrt(x2-x1)^2+(y2-y1)^2

OpenStudy (anonymous):

is you use the dist. formula you get the square root of (3+4)^2+(-1+5)^2

OpenStudy (anonymous):

Label your points as (x, y) and (x1, y1) So your (-4, 5) is (x, y) And (3, -1) is (x1, y1) Then use the distance formula: \[d = \sqrt{(x1-x)^{2}+(y1 - y)^{2}}\]

OpenStudy (anonymous):

the simplify to get the square root of (49)+(16) and the answer is the square root of 65. or 8.06

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