ch. 2 review

Describe the right/left hand behavior of the polynomial:

y=3x⁴-4x³+2x+1

• falls to the left, rises to the right

• falls to the left, falls to the right

• rises to the left, falls to the right

• rises to the left, rises to the right

Describe the right/left hand behavior of the polynomial:

y=-x³-4x²+2x+1

• falls to the left, rises to the right

• falls to the left, falls to the right

• rises to the left, falls to the right

• rises to the left, rises to the right

Find the vertical asymptote(s) of:

(3x²+1) / (x²+5x+4)

• y=3

• x= -4 , x= -1

• x=0

• No vertical asymptote

Find the horizontal asymptote of:

(3x²+1) / (x²+5x+4)

• y=3

• x= -4 , x= -1

• x=0

• No horizontal asymptote

x=5 is a zero. Find the other two zeroes.

f(x)= x³+x²-22x-40

• -2, and -4

• 2 and 4

• none

• -2, multiplicity two

Use long division to divide: (rearrange first)

(-13x²+5x³-x+2) / ( x²-3x+1)

• 5x+2

• -13x

• 5x²-2x

• None of the above

Find the zeros of the polynomial given one factor. Use synthetic division.

• X= 3,4,5

• x=-3,-4,-5

• x=-3,4,5

• x= 3, -4, -5

Tags

CCSS.HSA.APR.B.2

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

• 8
• 9
• 5
• 3

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

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 is the Degree of this polynomial:
f(x)= x³(x + 3)²(x – 5)

• Degree: 6
• Degree: 5
• Degree: 3
• Degree: 2