NC EOC Math 3 Polynomials

f(x) = -3x⁴ + x³ - 2x² + x - 1

What is the degree of f(x)?

• 3

• 1

• 4

• 2

f(x) = x³ - 3x² - 4x

Find the zeros of f(x).

• {-4, 0, 1}

• {-1, 4}

• {-1, 0, 4}

• {-4, 1}

f(x) = x³ - 9x² - 45x - 27

Find the remaining zeros given that -3 is a zero of f(x).

• {-3, -6 ± 3√5}

• {-3, 6 ± 3√5}

• (-3, 3, 9}

• {-3, 0, 3}

Write a polynomial with the given zeros.

• A

• B

• C

• D

Write a polynomial function with the given zeros.

• A

• B

• C

• D

• A

• B

• C

• D

Describe the transformation of the graph  y = -(x - 4)³ + 5

• Up 5 and Left 4 
• Reflect x-axis, Left 4, Up 5
• Reflect x-axis, Right 4, Up 5
• Right 4 and up 5

A function is shown above. What is the value of f(4) + f(7)?

• 8

• -1

• 9

• 3

A polynomial, f(x), has a lead coefficient of 1 and exactly two distinct zeros. What choice shows f(x) from the zeros above?

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• 
• 

Which interval is decreasing? (2 answers)

• 0 < x < 2

• x > -2

• 4 < x < 6

• x > 8