Question

Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in standard form.

3, -13, and 5 + 4i

Answer 1

If you have 5+4i then you must have 5-4i.

Answer 2

Know what to do next?

Answer 3

No

Answer 4

(x-3)(x--13)....blah blah

Answer 5

(x-3)(x+13)(x-5-4i)( x-5 + 4i)
Expand that

Answer 6

Can you do that?

Answer 7

Do you mean foil it?

Answer 8

FOIL? I have no idea what that is......just multiply through.

Answer 9

x^4-98 x^2+800 x-1599