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Mathematics 16 Online
OpenStudy (anonymous):

how to find the distance between points: (-3,2) and (3,-6)

OpenStudy (anonymous):

You need to use this equation: \[d=\sqrt{(x _{2}-x _{1})^{2}+(y _{2}-y _{1})^{2}}\]

OpenStudy (anonymous):

woah

OpenStudy (anonymous):

Find "distance" between x's and y's then use them as sides of a right triangle from -3 to 3 is 6 "distance" and from 2 to -6 is 8 "distance" 6 squared plus 8 squared is the "distance" squared. 36 + 64 = c squared, 100 is c squared, so c is 10

OpenStudy (anonymous):

Where (x1, y1) is your first point, and (x2, y2) is your second point.

OpenStudy (anonymous):

i got 100 inside the division bar now what?

OpenStudy (anonymous):

Its a square root - square root of 100 is 10.

OpenStudy (anonymous):

ok so the distance is 10?

OpenStudy (anonymous):

Yes - that's right!

OpenStudy (anonymous):

yay thanks

OpenStudy (anonymous):

i might need more help

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