Find a Rational Zero of the Polynomial Function and Use $$f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 5 x - 6$$

question 490

Multiple Choice

Find a rational zero of the polynomial function and use it to find all the zeros of the function.
- $$f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 5 x - 6$$

• A) \(\{ - 3 , - 1,2 \}\)
• B) \(\{ - 2,1,3 \}\)
• C) \(\{ - 3 \}\)
• D) \(\{ - 1 \}\)

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