1. Tom took out a simple interest loan of $11,500 at 10 percent interest for 18 months. After 14 payments the balance is $3,100. He pays off the loan when the next payment is due. What is the interest?

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 *_*