Exercise: a) Describe what does each equation on the given system of equations geometrically represent. b) Solve the system of equations algebraically (if possible). c) Solve the system of equations geometrically by graphing each equation on the system. a) y = 2 + 1, aty =1 b) y = x, a2 + 32 = 1 C) y = x2 +1, ly = x-1 d) y = x2 - 4, ly = 5 e) y = -2 -1, aty = 1 f ) Jy = 203, ly = x f ) 202 + y2 = 4, y = 22