Unit 3 Test Review Part 1

The degree of the polynomial determines the number of roots.

• True
• False

Tags

CCSS.HSN.CN.C.9

Use the Fundamental Theorem of Algebra to state the number of zeros/solutions/roots of the polynomial. 

• A
• B
• C
• D

Tags

CCSS.HSN.CN.C.9

Which formula is the Fundamental Theorem of Algebra Formula?

• There are infinitely many rationals between two reals.
• Every polynomial equation having complex coefficents and degree greater than the number 1 has at least one complex root.
• There are infinitely many prime numbers.
• All numbers are rational numbers.

Tags

CCSS.HSN.CN.C.9

Use the Fundamental Theorem of Algebra to state the number of zeros/solutions/roots of the polynomial. 

• A
• B
• C
• D

Tags

CCSS.HSA.APR.B.3

CCSS.HSN.CN.C.9

-3x²+x+4=0
How many roots does this equation have?

• 2
• 1
• 0
• 4

All imaginary roots comes in pairs.

• True
• False

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 -2-5i is a root. 

• -2-5i
• -2+5i
• 2+5i
• 5i

What does multiplicity of a zero mean?

• Look at the number of terms
• How many times the zero repeats
• Find the sum of all the coefficients
• Ratio your x and y

Tags

CCSS.HSF-IF.C.7C

What are the zeros of the polynomial and state their multiplicity at each.
y = (x - 5)(x + 2)²

• x = 5 multi 1,  x = 2 multi 2
• x = -5 multi 2, x = -2 multi 1
• x = 5 multi 1, x = -2 multi 2
• x = 5 multi 2, x = -2 multi 1