15. An online history quiz had 500 total people take it. Of the 500 people, 7% got all of the questions correct and 11% answered all of the questions wrong. How many more people
answered all the questions wrong than answered all the questions correctly?

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 *_*