Find All the Complex Roots

Given one complex zero use the conjugate root theorem to find another.  Zero is 7-5i

• -7+5i

• 7-5i

• -7-5i

• 7+5i

Tags

CCSS.HSN.CN.A.3

• x = {-4, -1}

• x = {-1, -4}

• x = {2 + i, 2 - i}

• x = {-2 + i, -2 - i}

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

• x = {-3 + 2i, -3 - 2i}

• x = {7, 6}

• x = 2 ± i√3

• No solution

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve for x: 3x² - 6x + 6 = 0

• x = 1 ± i

• x = 3, -6

• x = 4.8, 2.7

• Undefined

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

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

One root is 2 - 3i. What would another root be?

• 2 - 3i

• -2 + 3i

• -2 - 3i

• 2 + 3i

Tags

CCSS.HSN.CN.A.3

Find the other root

2i

• i

• i²

• -2i

• -1

Tags

CCSS.HSN.CN.A.3

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

• A

• B

• C

• D

Tags

CCSS.HSA.APR.B.3

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

• A

• B

• C

• D

Tags

CCSS.HSA.APR.B.3