Which of the following equations is of a parabola with a vertex at (0, 6)? y = ( x + 6) ^2
y = ( x - 6) ^2
y = x^2 + 6
y = x^2 - 6

The answer is 109 times per second

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 *_*