Polynomial and Zeros

How many roots are shown in the picture?

• 0

• 1

• 2

• 3

How many zeroes are shown in the graph?

• 1

• 2

• 3

• 4

Identify the zeros

• x=2, x=6, x=-4

• (x+2)(x+6)(x-4)

• (x-2)(x-6)(x+4)

• x=-2, x=-6, x=4

Describe the end behavior of the graph.

• x → ∞, y→ ∞ and x→∞, y→⁻∞

• x → ∞, y→ ∞ and x→⁻∞, y→∞

• x → ∞, y→ ∞ and x→⁻∞, y→ 0

• x → ∞,y→ ∞and x→ ⁻∞, y→ ⁻∞

How many real zeros does the function have?

• None

• 2

• 3

• 4

What is the increasing interval(s) of the function behind this text?

• (-1.3, -.4), (.7, ∞)

• (-∞, -5), (.5, 2)

• (-5, .5), (2, ∞)

• None

The degree of the polynomial determines the number of roots.

• True

• False

What does it mean to "find the zeros"?

• Finding where the graph crosses the x-axis

• Finding where the graph crosses the y-axis

• Finding the very bottom of the graph.

• Finding the very top of the graph.

What are the
zeros of the polynomial
y = (x + 4)(x + 1)(x - 3)?

• -4, -1, 3

• 3, -3, 4, 1

• 4, 1, -3

• 3, -4, -1, 3

• p(x) = (x − 1)(x + 2)(x + 5)
• p(x) = (x + 1)(x − 2)²(x − 5)
• p(x) = (x − 1)²(x + 2)(x + 5)
• p(x) = (x − 1)(x + 2)²(x + 5)