Two fractions have the same denominator. which is greater fraction: the fraction with the greater

The fraction with the greater numerator

If two fractions are both positive and have the same denominator,
the fraction with the greater numerator is the greater fraction, and
the fraction with the smaller numerator is the smaller fraction. 

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 *_*