A translation is applied to triangle PQR to create triangle P'Q'R': 10 8 -10-8-6-4 0 9 2 02 P Q 2 -2 P -8 -10 GC R 8 10 Let the statement (x, y)->(a, b) describe the translation. Create equations for a in terms of x and for b in terms of y that could be used to describe the translation. a= [Select]