Dos números que sumados den 1 y multiplicados den menos 50

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Precalculus question, image attached.