Factoring polynomials review

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

• 8
• 9
• 5
• 3

The degree of the polynomial determines the number of roots.

• True
• False

Tags

CCSS.HSN.CN.C.9

The largest exponent determines the degree of the polynomial.

• True
• False

All imaginary roots comes in pairs.

• True
• False

Tags

CCSS.HSN.CN.C.9

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

• 3
• 4
• 1
• 2

What does the Fundamental Thm of Algebra tell you?

• The quantity of possible positive & negative solutions

• The possible rational solutions

• How many total solutions

• The prime factorization

Tags

CCSS.HSN.CN.C.9

What is the first question you ask yourself when factoring a polynomial? 

• How many terms does it have? 
• Is there a GCF? 
• What strategy should I use? 
• Why do I have to learn this?!?!?!

Factor completely.
3x² - 9x -120

• 3(x - 8)(x + 5)
• 3(x + 8)(x - 5)
• (3x + 8)(x - 5)
• (3x - 8)(x + 5)

Tags

CCSS.HSA.APR.C.4

Tags

CCSS.HSA-REI.B.4B