Module 5 Polynomial Functions

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

• 4
• 7
• 2
• 1

How many roots or zeros does the equation
f(x) = 5x⁴-8x³+4x²-6x+3 have?

• 3
• 4
• 5
• 0

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

• x = -1
• x = 5
• x = -2
• x = 2

Classify the function:

• quadratic
• cubic 
• quartic
• linear

• 2
• 1
• 4
• None

• None
• 1
• 2
• 4

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

Find a polynomial function of degree 3 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

Which function is not a polynomial in one variable?

• x³+3x-.5
• x⁴+3x²
• xY+7x⁴+12x-1
• x⁵

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

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