Answer
$$a=3, \quad b=4, \quad c=9.$$
Work Step by Step
For the equation
$$3x^2 +4x+9= 0$$
We know that a is the coefficient of the $x^2$ term, b is the coefficient of the x term, c is the constant term. We have
$$a=3, \quad b=4, \quad c=9.$$
