16. A necklace of former First Lady Jacqueline Kennedy Onassis was originally worth $700. Its value then increased to $211,500. Find the percent of increase in the value of the necklace,

Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*