If A and B are two roots of the equation

If A and B are two roots of the equation X2 –6.5X – 17, then what is the value of A x B?

(A) 15.
(B) –18.
(C) 16.5.
(D) –17.
(E) 22.

The best answer is D.
The roots of the equation are 8.5 and (-2).
The multiplication of the roots is equal to (-17).