Question

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

7, -11, and 2 + 8i

Answer 1

f(x) = x4 - 9x3 + 56x2 - 290x + 5236

Answer 2

are you asking me to check this?

Answer 3

yes:)

Answer 4

is this what you multiplied together?

Answer 5

yes

Answer 6

then i'd assume you got the right answer let me use wolfram

Answer 7

f(x) = x4 - 25x2 + 580x - 5236

Answer 8

thanks sooo much :)

Answer 9

http://www.wolframalpha.com/input/?i=%28x-7%29%28x%2B11%29%28x-%282%2B8i%29%29%28x-%282-8i%29%29

Answer 10

look at alternate forms =P

Answer 11

it's correct