MathNet 2006 — Part 02 Question 188

If $3$ and $\frac{1}{3}$ are the roots of the equation $a x^{2}-6 x+c=0$, what is the value of $a+c$?


A) $1$

B) $0$

C) $-\frac{9}{5}$

D) $\frac{18}{5}$

E) $-5$