Complex Roots

• x=-2 and x=-4

• x=1 and x=-8

• x=(2+2i) and x=(2-2i)

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

• 1

• -1

• i

Tags

CCSS.HSN.CN.A.1

• -7

• 7

• 7i

• x = 2, x = -2

• x = √2, x = -√2

• x = 1, x = -1

• x = 0, x = 0

Tags

CCSS.8.EE.A.2

All imaginary roots comes in pairs.

• True

• False

Tags

CCSS.HSN.CN.C.9

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

• 3i²

• -3i

• 3i

• -3i²

Are the roots of the function f(x)=3x²+3x+3 real or imaginary?

• Real Roots

• Imaginary Roots

• Impossible to tell

• Both

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

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

How many complex roots (real or imaginary) of x² + 2x + 1?

• 1

• 2

• 3

• 4

Tags

CCSS.HSN.CN.C.9