Conjugate Root

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 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

All imaginary roots come in pairs.

• True

• False

Tags

CCSS.HSN.CN.C.9

Name the Theorem
If P(x) is a polynomial with rational coefficients, then the irrational roots of P(x) = 0 occur in conjugate pairs.

• Binomial Theorem

• Factor Theorem

• Conjugate Root Theorem

• Rational Root Theorem

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

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

If a polynomial has real co-efficients then all imaginary roots comes in pairs.

• True

• False

Tags

CCSS.HSN.CN.C.9

All imaginary (have an i) roots come in conjugate pairs.

• True

• False

Tags

CCSS.HSN.CN.C.9

All irrational (have square roots) zeros come in conjugate pairs.

• True

• False

Tags

CCSS.HSN.CN.C.9

Write a polynomial function of least degree with the given zeros.

• A

• B

• C

• D

Tags

CCSS.HSA.APR.B.3