A polynomial function has as a root. Which of the following must also be a root of the function?

When solving, you took the square root of both sides of the equation. Consider this step when completing the following statements. The roots are imaginary because of the negative radicand.nonperfect square radicand.need to identify + and - roots of the radicand.
There are two roots because of the negative radicand.nonperfect square radicand.need to identify + and - roots of the radicand.
-2 + i and -2 - i 2 + i and 2 - i 4 + 2i and 4 - 2i 2 + 4i and 2 - 4i
crossesdoes not intersecttouches
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