Question

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

2, -4, and 1 + 3i

Answer 1

What did you do with the i?

Answer 2

wouldn't the last two equal 1-9i?

Answer 3

But how did you get from 1-9i^2 to 10?

Answer 4

Oh. Can you tell me all values of I, ^1 to ^4

Answer 5

Yes please.