8.6 as a mixed number in the simplest form

To make this a mixed number, make the decimal a fraction.
-0.6 = -6/10
Simplify this fraction.
-6/10 = -3/5

So as a mixed number, -8.6 is -8 and -3/5.

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 *_*

Ithink it's the first one ( let me know if it right)