Which of the following are the coordinates of the vertex of y = 3x2 + 3? (–3, –3) (0, 3) (3, 0) (3, 3)

The second option is the 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 *_*