+171 Thelengthofthesegmentbetweenthepoints$(2a,a−4)$and$(4,−1)$is$2√10$units.Whatistheproductofallpossiblevaluesfor$a$?
+659 Your latex sucks.
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- Just plug into the distance formula and solve.
(2√10)2=40
(4−2a)2+(−1−(a−4))2=40
(4−2a)2+(3−a)2=40
Now solve (if you can, try using vieta's formulas to do it even faster.)
