Pretest

Which of the following could be a possible equation for the function shown?

• f(x) =-2x³ + x² - 5x + 1

• f(x) = 2x³ - 4x² + x + 1

• f(x) = 3x² + 5x + 1

• f(x) = -2x³ +3x - 1

What is the degree of the polynomial function
P(x)=3x⁴-7x²-2x⁷-x+4

• 4
• 7
• 2
• 11

How many zeros does the polynomial function
 P(x) = 3x⁴+4x-8 have?

• 1
• 2
• 3
• 4

Find the sum.
(3y² + y³ - 5) + (4y² -4y + 2y³ + 8)

• 3y³ + 7y² - 4y + 3
• 4y² + 3y³ - y + 3
• -y⁴ + 2y³ -y - 4
• 4y³ + 3y² -3y + 1

Tags

CCSS.HSA.APR.A.1

Simplify the expression.
(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3 
• -7n² - 8n + 3 
• -6n² - 8n + 3
• -7n² - 4n + 3

Tags

CCSS.HSA.APR.A.1

(x-3)(x²+2x+7)

• x³-x²+x-21
• x³+5x+13x-21
• x³-3x²+7x-21
• x²+2x-3

Tags

CCSS.HSA.APR.A.1

(x-7)²

• x²-49
• x²+49
• x²-14x+49
• x²-14x-49

Tags

CCSS.HSA.APR.C.4

Is this division problem worked correctly?

• This is correct!
• This is incorrect!

Tags

CCSS.HSA.APR.D.6

• The end behavior of the graph is domain: x →∞, y→∞ and range: x→∞, y→⁻∞

• The end behavior of the graph is domain: x →∞, y→∞ and range: x→⁻∞, y→∞

• The end behavior of the graph is domain: x →∞, y→∞ and range: x→⁻∞, y→0

• The end behavior of the graph is domain: x →∞,y→∞ and range: x→⁻∞, y→⁻∞

In the above graph, which root has a multiplicity of 2?

• -1

• -3

• -120

• 4