If the distance between points P (x, 2) and Q (3, 6) is 10 units, then x = ___ units.
3
-3
9
-9
PQ =√(3−x)2+(6−(−2))2=10→(3−x)2+(6+2)2=100→(3−x)2=36→3−x=±6→x=−3 or 9
If the distance between points P (x, 2) and Q (3, –6) is 10 units, then x is