4.1, 4.2, 4.3 Practice

What is the degree of the polynomial?

9x² + 5x + 27 + 2x³

• 9

• 4

• 2

• 3

Write the polynomial in standard form:

7x - 125 - 6x⁴ + 14x²

• 125 + 7x - 14x² +6x⁴

• 6x⁴ -14x² - 7x +125

• 125 + 14x² + 7x - 6x⁴

• -6x⁴+ 14x² + 7x - 125

Which polynomial is a cubic function with a leading coefficient of 5?

• 5x³ + 7x - 2x² + 6x⁴

• 3x⁵ - 14x² - 11x

• 125 - 5x³ + 7x

• 9x² + 5x³ + 16 - 10x

Evaluate: 5x³ - 4x + 5

when x = -7

• 1692

• -1738

• -1682

• 1748

Describe the degree and leading coefficient.

• Even degree, positive L.C.

• Even degree, negative L.C.

• Odd degree, positive L.C.

• Odd degree, negative L.C.

Describe the degree and leading coefficient.

• Even degree, positive L.C.

• Even degree, negative L.C.

• Odd degree, positive L.C.

• Odd degree, negative L.C.

For the above graph complete the end behavior:

As x --> -∞, f(x) --> ____

As x --> +∞, f(x) --> ____

• -∞

  -∞

• +∞

  -∞

• -∞

  +∞

• +∞

  +∞

Determine the end behavior of the graph of 
f(x) = -7x³ + 2x - 1

• As x →∞, f(x) →∞.
  As x→-∞, f(x) →-∞.
• As x →∞, f(x) →∞.
  As x→-∞, f(x) →∞.
• As x →∞, f(x) →-∞.
  As x→-∞, f(x) →∞.
• As x →∞, f(x) →-∞.
  As x→-∞, f(x) →-∞.

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Simplify:

(4x³ - 5x² + 3x) + (-2x³ - x² + 6x)

• 2x³ - 6x² - 9x

• 2x³ + 6x² +9x

• -2x³ - 6x² + 9x

• 2x³ - 6x² + 9x

Simplify:

(4x - 2x³) + (5x³ - 4x + 5)

• 3x³ + 5

• 3x³ + 8x + 5

• 3x² + 5

• 7x³ + 8x + 5