Which of the following is a polynomial with roots negative square root of 3, square root of 3, and -2?
Which of the following is a polynomial with roots at -√3, √3, and -2? The options are:
- ( x^3 - 2x^2 - 3x + 6 )
- ( x^3 + 2x^2 - 3x - 6 )
- ( x^3 - 3x^2 - 5x + 15 )
- ( x^3 + 3x^2 - 5x - 15 )
2 Answers
Eliminate the last two because 15 is not even (which it would be if -2 were a root). Eliminate the first one, because the sum of its roots is 2 instead of -2. So, by process of elimination the answer is the second one.
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