Roots of a Polynomial

• None of these are correct.

Find the roots of x^3+8=0 by factoring!

How many zeros does the following function have?
f(x)= x⁵ - 3x³ + x

• 8

• 9

• 5

• 3

What is the least degree of the graph of the above polynomial?

• 3

• 4

• 5

• Not enough information 

What is the degree of the following polynomial that has 4 real roots and 2 complex roots?

• 4

• 2

• 8

• 6

All imaginary roots comes in pairs.

• True

• False

What is the degree of a polynomial that has roots of -2, 4i and -4i ?

• 3

• 4

• 1

• 2

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

Use the Complex Conjugate Root Theorem to state another complex solution. Given that -7i is a root. 

• 7i

• -7i+1

• 1-7i

• 1+7i