OpenStudy (anonymous):

Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in standard form 4, -8, and 2 + 5i

3 years ago
OpenStudy (anonymous):

i need help on how to work this out

3 years ago
OpenStudy (cwrw238):

if the polynomial has real coefficients the the complex roots must be conjugates so a fourth zero would be 2 - 5i

3 years ago
OpenStudy (cwrw238):

so we have (x - 4)(x + 8)[x - (2 + 5i)] [x - (2 - 5i)] = 0 expand to get standard form

3 years ago
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