Question

According to the Rational Root Theorem, the following are potential roots of f(x)=9x2−3x−2.1,

−1,23,19
Which is an actual root of f(x)?

Answer 1

Explanation:

9x2 -3x -2 factors to (3x-2)(3x +1)

solve 3x-2 =0 and 3x+1=0

making the roots -1/3 and 2/3