Maximum of roots? Algebra II

Question

Find the maximum number of roots of P(x) = 2x² + 14x - 7.
Don't really understand how to find the maximum roots?

a) 1

b) 2

c) 3

d) 4

Answer 1

For any polynomial of DEGREE n, the maximum number of roots equals that degree, n.

 

For any quadratic, 2.