Add & Subtract Polynomials

Add & Subtract Polynomials

By Michelle Wilson

You can only add & subtract LIKE TERMS. So be sure to match them up!

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like terms:

Terms that have the exact same variable & exponent

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Multiple Select

Select all terms that are like terms with -11

• 2x

• 11

• 23

• 11y

• 99

Multiple Select

Select all the terms that are like like terms with $$8b^2$$  

• $$4$$  

• $$4b$$  

• $$4b^2$$  

• $$16b$$  

• $$20b^2$$  

Multiple Select

Select all the terms that are like terms with 15xy

• $$6x^2y$$  

• 11xy

• 4

• 12y

• -5xy

Multiple Select

Identify which expression(s) can be simplified.

Select ALL that apply.

• $$9x^2+5x$$  

• $$9x+5x$$  

• $$9+5y$$  

• $$9x^4-5x^2$$  

Multiple Select

Identify which expression(s) can be simplified.

Select ALL that apply.

• $$9x^2+5x^2+3$$  

• $$9x+5x-7$$  

• $$9+5y+4x$$  

• $$9x^4-5x^2-7x^4$$  

​Watch your signs!!!

Combine Like Terms.

Write your answers in Standard Form.​

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Multiple Choice

Simplify:  

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

• 9x - 7

• -9x - 11

• 9x + 7

• x + 7

Multiple Choice

Simplify:

 (4x - 2x³) + (5x³ - 4x + 5)

• 3x³ + 5
• 3x³ + 8x + 5
• 3x² + 5
• 7x³ + 8x + 5

Multiple Choice

Simplify:

(4x² + x) - (x² + 2x)

• 3x² - x
• 4x² + 2x
• 3x² + 3x
• 3x² + 2x

Multiple Choice

Simplify: (5x + x² - 4) - (4x - x² + 6)

• 2x² + x + 2 
• x + 2
• 2x² + x - 10 
• x - 10 

Multiple Choice

Simplify:

(8x⁴ + x³) - (6x - 7x³ + 5)

• 8x⁴ + 8x³ - 6x - 5

• 3x⁴ - 6x³ - 6x

• 8x⁴ + 8x³ + 6x + 5

Assignment: IXL Z4

Use your notes from this Quizizz to help you learn/practice the vocabulary​

Use the Extra Help post in Google Classroom if you need more notes/examples​