Simple Quadratic Equations with Complex Roots

• 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

• 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

All imaginary roots comes in pairs.

• True

• False

Tags

CCSS.HSN.CN.C.9

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

If the discriminant is equal to -2, how many solutions are there?

• No Solutions

• 1 Solution

• 2 Solutions

• Infinite Solutions

Tags

CCSS.HSA-REI.B.4B

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

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

• 3i²

• -3i

• 3i

• -3i²