If a polynomial function f(x) has roots 0, 4, and 3 + StartRoot 11 EndRoot, what must also be a root of f(x)? 3 + i StartRoot 11

Question

Natalija [7]

3 years ago

7

If a polynomial function f(x) has roots 0, 4, and 3 + StartRoot 11 EndRoot, what must also be a root of f(x)? 3 + i StartRoot 11

EndRoot Negative 3 + i StartRoot 11 EndRoot 3 minus StartRoot 11 EndRoot Negative 3 minus StartRoot 11 EndRoot

Mathematics

2 answers:

mojhsa [17] · Answer 1 · 2022-04-14T13:51:51+03:00

mojhsa [17]3 years ago

7 0

Answer:

C. 3- root of 11

Step-by-step explanation:

edge 2020

serg [7] · Answer 2 · 2022-04-14T11:40:16+03:00

serg [7]3 years ago

4 0

Answer:

3 − √11

Step-by-step explanation:

For polynomials with rational coefficients, any radical roots must come in conjugate pairs. To find the conjugate, simply reverse the sign of the radical.