Exploring Operations with Polynomials

This video tutorial covers the basics of polynomial operations, including addition, subtraction, and multiplication. It explains how to combine like terms and use the distributive property for multiplication. The tutorial also introduces special product patterns such as the sum and difference of squares and the square of a binomial, providing shortcuts for these operations.

Why is it important to know how to add, subtract, and multiply polynomials?

• To graph functions

• To understand calculus

• To combine multiple models into one

• To solve linear equations

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CCSS.HSA.APR.A.1

What is the result of combining 5x^2 and -3x^2?

• 8x^2

• 8x

• 2x

• 2x^2

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CCSS.7.EE.A.1

What is the result of subtracting 5x^3 from 3x^3?

• 8x^3

• 2x^3

• -2x^3

• -8x^3

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CCSS.HSA.APR.A.1

When multiplying polynomials, what property is used?

• Associative property

• Distributive property

• Commutative property

• Identity property

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CCSS.HSA.APR.A.1

What is the result of multiplying x by (x + 4)?

• x^2 + 4

• x + 4x

• x^2 + 4x

• x^2 + 4x^2

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CCSS.HSA.APR.A.1

What is the result of combining 3x^2 and 2x^2?

• 5x

• 6x^2

• 5x^2

• 1x^2

What is the result of multiplying (x + 2) by (x + 2)?

• x^2 + 2x + 2

• x^2 + 4x + 4

• x^2 + 4x + 2

• x^2 + 2x + 4

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CCSS.HSA.APR.A.1

What is the result of (x - 3)^2 using the shortcut formula?

• x^2 - 3x + 9

• x^2 - 9x + 6

• x^2 - 6x + 9

• x^2 - 6x + 3

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CCSS.HSA.APR.C.4

What is the result of multiplying (x + 2) by (x + 2) using the distributive property?

• x^2 + 2x + 2

• x^2 + 4x + 4

• x^2 + 4x + 2

• x^2 + 2x + 4

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CCSS.HSA.APR.A.1

What is the result of (a - b)(a + b)?

• a^2 + b^2

• a^2 - 2ab + b^2

• a^2 - b^2

• a^2 + 2ab + b^2

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CCSS.HSA.APR.C.4