Identify the a, b, and c-values for this equation: y = - 2x ^ 2 + x - 5; a = 2 , b = 1 , c = - 5; a = - 2 , b = 1 , c = - 5; a = - 2; b = 0 , c = - 5; a = - 2 , b = 1 , c = 5