Complex Zeros Practice

Find all zeros of the polynomial function P(x) = x³+6x²+9x+54

• 6, 3, -3

• -6, 3, -3

• -6, 3i, -3i

• 6, 3i, -3i

Find the zeros of the polynomial.

• A

• B

• C

• D

• 1

• -1

• i

• -i

Tags

CCSS.HSN.CN.A.2

Find all the zeros of this polynomial.

• A

• B

• C

• D

Use the Fundamental Theorem of Algebra to determine the total number of solutions.

• A

• B

• C

• D

All imaginary roots comes in pairs.

• True

• False

Tags

CCSS.HSN.CN.C.9

Given a zero of a polynomial function, use the Conjugate Root Theorem to find another.

Tags

CCSS.HSN.CN.C.9

• 3 real, 0 imaginary complex

• 3 real, 1 imaginary complex

• 3 real, 2 imaginary complex

Tags

CCSS.HSN.CN.C.9

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

• 1

• 2

• 3

• 4

Tags

CCSS.HSN.CN.C.9

Expand into standard form

(x+2i)(x-2i)

• x²-4

• x²+4

• x+2i²

• x²+2i²

Tags

CCSS.HSN.CN.C.8