Polynomial Functions 11/6

Which of the following could be a zero of
f(x)=x⁴-10x³+35x²-50x+24

• x = -1
• x = 5
• x = -2
• x = 2

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

• 2
• 1
• 4
• None

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

• The function has an odd degree

• The function has an even degree

• The function has 5 real zeros

• The function has a positive leading coefficient

Find all zeros of the polynomial function P(x) = x³+6x²+9x+54

• 6, 3, -3
• -6, 3, -3
• -6, 3i, -3i
• 6, 3i, -3i

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

Find a polynomial function with zeros 3i and -2.

• P(x) = x³+2x²+9x+11

• P(x) = x³-2x²+9x+18

• P(x) = x³+2x²+9x+18

• P(x) = x²-3ix+2x-6i

What is another way to say "where a function crosses the x-axis"?

• x-intercept
• zero
• root
• all of these.

Tags

CCSS.HSF-IF.C.7C

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

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Factor x³+1

• (x -1)(x² - x + 1)

• (x+1)(x² - x + 1)

• (x + 1)(x² + x + 1)

• (x - 1)(x² + x + 1)

f(x) = x³ - 3x² - 4x

Find the zeros of f(x).

• {-4, 0, 1}

• {-1, 4}

• {-1, 0, 4}

• {-4, 1}

Tags

CCSS.HSF-IF.C.7C

State the possible rational zeros of f(x).

• A

• B

• C

• D

Tags

CCSS.HSA.APR.B.3