Posted by **Lucy** on Saturday, August 23, 2008 at 1:32pm.

Write the polynomial equation of least degree that has the roots: -3i, 3i, i, and -i.

Answer:

(x+3i)(x-3i)(x-i)(x+i)=x^4+x^3-x^3i+9x^2+9x-9xi-9i

2)Determine if the expression 4m^5-6m^8+m+3 is a polynomial in one variable. If so, state the degree.

Answer: It is a polynomial in one variable; Degree = 8

Thanks

## Answer This Question

## Related Questions

- Pre-Calculus/Trig Check please and help - Could someone please check the first ...
- Polynomials - Determine if the expression 4m^5-6m^8 is a polynomial in one ...
- algebra - can some one please help figure this problem out Determine whether ...
- algebra - can some one please help figure this problem out Determine whether ...
- algebra - can some one please help figure this problem out Determine whether ...
- algebra - can some one please help figure this problem out Determine whether ...
- algebra - can some one please help figure this problem out Determine whether ...
- algebra - can some one please help figure this problem out Determine whether ...
- algebra - can some one please help figure this problem out Determine whether ...
- algebra - can some one please help figure this problem out Determine whether ...

More Related Questions