Ryan divided 626 by 7 and said the quotient is 89 R3. Which estimate would best help Ryan verify the reasonableness of his answer?

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 *_*