Please help!! I provided what I thought my answer was and just would appreciate clarification

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

Find the equation using the point (4,8)