Adding Polynomials

Presentation

•

Mathematics

•

9th - 11th Grade

•

Hard

Joseph Anderson

FREE Resource

4 Slides • 6 Questions

Adding and Subtracting Polynomials!🌟

Adding Polynomials

Line up like terms vertically
Add the like terms

Multiple Choice

Add these polynomials:

(5x + 2) + (4x + 5)

9x -7

-9x-11

9x+7

x+7

Multiple Choice

Add the polynomials (x-2) and (x²+3)

x²+x+1

x³+5

x³+1

x³-1

Multiple Choice

(2x + 5y - z) + (-6x - 4y + 7z)

-4x +6y + 6z

4x + y + 6z

-4x - y + 6z

-4x + y + 6z

Subtracting Polynomials

To subtract Polynomials, first reverse the sign of each term we are subtracting (in other words turn "+" into "-", and "-" into "+"), then add as usual.

Use distributive property with negative one on the second polynomial, then combine like terms.

Subtracting Polynomials Example

Multiple Choice

Subtract these polynomials:

(4x²+ x) - (x²+ 2x)

3x²- x

4x²+ 2x

3x² + 3x

3x² + 2x

Multiple Choice

Subtract these polynomials:

(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

-8n² - 8n + 3

-7n² - 8n + 3

-6n²- 8n + 3

-7n² - 4n + 3

Multiple Choice

Subtract these polynomials:

(x⁵ + x³) - (6x - x³ + 6x⁵)

-5x⁵ + 2x³ - 6x

7x⁵ - 6x

-5x³ + 2x² - 6x

-5x⁵ - 6x

Adding and Subtracting Polynomials!🌟

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