Complex Roots of Polynomials

Use the Complex Conjugate Root Theorem to state another complex solution. Given that 3+5i is a root. 

• -3+5i

• -3-5i

• -5i

• 3-5i

Tags

CCSS.HSN.CN.A.3

Use the Complex Conjugate Root Theorem to state another complex solution. Given that -2-5i is a root. 

• -2-5i

• -2+5i

• 2+5i

• 5i

Tags

CCSS.HSN.CN.A.3

Use the Complex Conjugate Root Theorem to state another complex solution. Given that -7i is a root. 

• 7i

• -7i+1

• 1-7i

• 1+7i

Tags

CCSS.HSN.CN.A.3

Use the Fundamental Theorem of Algebra to state the number of zeros/solutions/roots of the polynomial. 

• A

• B

• C

• D

Tags

CCSS.HSN.CN.C.9

If a+bi is a root of a polynomial, then _______ is also a root.

• i²

• a-bi

• a+bi

• -i²

Tags

CCSS.HSN.CN.C.9

What are the complex roots for the polynomial ? Select all that apply

• 3

• 0

• 2i

• -2i

• -3

Which of the following would be a root with 3i?

• 3i²

• -3i

• 3i

• -3i²

Use the factored form of the function to find the zeros.  (hint: set each factor = 0)

• A

• B

• C

• D

Tags

CCSS.HSF-IF.C.7C

Use the factored form of the function to find the zeros.  (hint: set each factor = 0)

• A

• B

• C

• D

Tags

CCSS.HSF-IF.C.7C

Find ALL zeros

• A

• B

• C

• D