If (-1,0) is a zero of the polynomial function f(x) = 23 + 4x2 + 2x – 1. what can you say about the remaining zeros of this function without factoring?
All the zeros must be real.
There are two more zeros.
There are three more zeros.
All the zeros must be irrational.

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Step-by-step explanation:

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none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square