HELP PLEASE!!!!
Trevor is studying a polynomial function f(x). Three given roots of f(x) are -7, 2i, and 7. Trevor concludes that f(x) must be a polynomial with degree 3. Which statement is true?

a. Trevor is correct.
b. Trevor is not correct because -2i must also be a root.
c. Trevor is not correct, there cannot be an odd number of roots.
d. Trevor is not correct because there cannot be both rational and complex roots.

Question

HELP PLEASE!!!!
Trevor is studying a polynomial function f(x). Three given roots of f(x) are -7, 2i, and 7. Trevor concludes that f(x) must be a polynomial with degree 3. Which statement is true?

a. Trevor is correct.
b. Trevor is not correct because -2i must also be a root.
c. Trevor is not correct, there cannot be an odd number of roots.
d. Trevor is not correct because there cannot be both rational and complex roots.

anonymous · Answer

betch i got b