Unit 4 - Polynomial Functions Review

What are the x-intercepts of the following function?
y = 2(x - 1)(x +3)(x - 4)

• 1, 3 and 4
• 2, 1, -3, and 4
• -1, 3, and -4
• 1, -3, and 4

What is another word for zeros?

• solutions

• x -intercepts

• roots

• All of the these!

Determine the roots of the polynomial. 
f(x) = -x(x+1)(x-3)

• -1, 3
• 0, -1, 3
• 1, -3
• 0, -3, 1

What are the zeros of the function?

• 4,1
• 3,1,-2,-5
• -3, -1, 2, 5
• -2,4

How many real zeros does the function have?

• None
• 2
• 3
• 4

What is the y-intercept of the following cubic function?

• (1, 0)
• (0, 2)
• (-1, 0)
• (2, 0)

The polynomial
f(x) = 5x⁴ + 2x³ + 2x − 7 can have, at most, how many solutions?

• 5
• 4
• 3
• 2

What is the degree of the function graphed here?

• 6
• 4
• 3
• 5