Algebra 2 Question

Question

If your polynomial has a root of 3+4i, what other root must it have?

Answer Choices

A: 12

B: 3-4i

C: -7

D: All of the Above

Answer 1

This question is testing your knowledge of the Conjugate Root Theorem, which states:

If a polynomial P(x) in one variable with real coefficients has the root a + bi, then a - bi is also a root of the polynomial

You should be able to pick out the right answer now.