In order to be eligible for a retake you must complete the following Khan Academy Exercises (If your score was <70 they are already sent to you, just check your coach recommendations):

1. Divide Polynomials by linear binomials with remainders
2. Divide Polynomials by Polynomials
3. Multiply Complex Numbers
4. Equivalent forms of expressions with complex numbers
5. Use the zeros of a polynomial to determine its graph
6. Determine the end behavior of polynomials

Once these are completed you can retake your quiz.