Polynomial Operations Practice

Simplify:

(4x³ + 2x² - 5x - 9) + (-3x³ - 5x² - x + 11)

• 7x³ + 7x² - 6x + 2

• x³ - 3x² - 6x + 2

• 7x³ - 3x² - 6x + 2

• x³ + 7x² - 4x + 2

Simplify:

(4x³ + 2x² - 5x - 9) - (-3x³ - 5x² - x + 11)

• 7x³ + 7x² - 4x - 20

• 7x³ - 3x² - 6x + 2

• x³ - 3x² - 6x + 2

• x³ + 7x² - 4x - 20

If f(x) = 4x³ + 5x² - 3, find f(-2).

• -415

• -15

• -55

• -615

A function with degree 2 is called

• constant

• cubic

• linear

• quadratic

• 3x³ - x² + 6x - 2

• x² + 3x +1

• 3x² + 5x² +1

• 3x³ +6x - 1

The length of a rectangle is represented as

L(x) = 3x² + 7x and the width is represented by W(x) = 2x² - x - 1, find function that represents the perimeter, P(x) of the rectangle.

• 11x² - 1

• 5x⁴ + 6x² - 1

• 10x² + 12x - 2

• 10x² + 16x - 2

• 3x³ - 10x² - 7x - 4

• 3x³ - 14x² + 9x - 4

• 3x² - x - 3

• 3x³ + 14x² - 9x - 4

Y(x) = x²+9 represents the total area of the Smith's yard. John Smith is wanting to put up a garden that takes us an area of G(x) = x-9.

What is the empty part of the yard once the garden is put in?

• x²+x+9
• x²-x+9
• x²-x
• x²-x+18

(f + g) (x)

• 5x² + 3x

• 4x² + 3x

• 5x² - 3x

• 4x² - 40x

• A

• B

• C

• D

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.A.4

CCSS.6.EE.B.6

CCSS.6.G.A.1