Unit 4.5 CW (Part 2): Graphing Polynomial Functions

• (-2.55, 0), (2.55, 0)
• (-3, 0), (-2, 0), (2, 0), (3, 0)
• (0, 36)
• (0, -3), (0, -2), (0, 2), (0, 3)

Tags

CCSS.HSF-IF.C.7A

In the above graph, which root has a multiplicity of 2?

• -1

• -3

• -120

• 4

Tags

CCSS.HSA.APR.B.3

Describe the end behavior of
f(x) = -5x⁴ - 2x² + 8

• Left side: Rises  
   Right side: Rises
• Left Side:  Rises
  Right side: Falls
• Left side: Falls
  Right side: Rises
• Left side: Falls
  Right side: Falls

• Even Degree

  (-) Leading Coeff.

• Even Degree

  (+) Leading Coeff.

• Odd Degree

  (-) Leading Coeff.

• Odd Degree

  (+) Leading Coeff.

The domain of a polynomial function is always (-∞, +∞).

• True
• False

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

What is the sign of the leading coefficient?

• Positive

• Negative

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

If a zero of a polynomial function has multiplicity 3 that means:

• The x intercept is at (3, 0)

• The graph will "bounce off" that zero

• The graph will "pass through" at that zero

• Zeros cannot have multiplicity of 3

Describe the end behavior of

f(x) = 2x⁵ + 6x² + 10x

• Left side: Rises

  Right side: Rises

• Left side: Falls

  Right side: Rises

• Left side:Rises

  Right side: Falls

• Left side: Falls

  Right side: Falls

Which of the following allows you to describe the end behavior of a polynomial?

• the degree and the constant

• the leading coefficient and the constant

• degree and the variable

• the degree and the leading coefficent