17.72 USE problems
condition: Construct a domain of solutions to the system of inequalities on the plane. \[ \left\{\begin{array}{c} x^{2}+y^{2}+6 x+2 y+1<0 \\ 2 y+3 x+8>0 \end{array}\right. \]
Problems of the USE (Unified State Exam) - equations and inequalities in terms of a parameter, solved both by algebraic methods and geometric ones.