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September 17, 2014

September 17, 2014

Posted by **Kenny** on Thursday, March 19, 2009 at 6:53pm.

(7,3) and (-1,-4)

- Math 10th grade -
**Damon**, Thursday, March 19, 2009 at 7:28pmslope = (Y2-Y1)/(X2-X1)

=(-4-3)/-1-7

= -7/-8

=7/8

midpoint

x = X1 + (1/2)(X2-X1) = 7 +(1/2)(-8)

= 7-4

= 3

do y the same way

d^2 = (Y2-Y1)^2 + (X2-X1)^2

d^2 = 49+64 = 113

d = sqrt (113)

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