Multiplying Binomials and Trinomials in Algebra

Why does the instructor choose to cover multiplying binomials by trinomials?

• To ensure thorough understanding of polynomial multiplication

• To complete the course syllabus

• To prepare students for advanced calculus

• To help students with Khan Academy exercises

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CCSS.HSA.APR.A.1

What is the first step in multiplying a binomial by a trinomial?

• Adding the terms

• Finding the greatest common divisor

• Multiplying the leading coefficients

• Setting up the terms similar to arithmetic multiplication

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CCSS.HSA.APR.A.1

How are terms aligned during the multiplication process?

• Numerically

• Alphabetically

• Based on their degree

• Randomly

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CCSS.HSA.APR.A.1

What results from multiplying -3 by 4x in the first example?

• -12x

• 12x

• -12

• 12

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CCSS.7.EE.A.1

What is the final term in the polynomial obtained from the first example?

• 6

• -16x

• -x^2

• 6x^3

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CCSS.HSA.APR.D.6

How does the instructor suggest keeping the multiplication process neat?

• By aligning similar terms

• By writing smaller terms first

• By skipping steps

• By using a calculator

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CCSS.HSA.APR.A.1

What is the result of multiplying 4 by -2x in the second example?

• 8x

• 8

• -8x

• -8

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CCSS.HSA.APR.A.1

In the second example, what is the coefficient of the x^2 term after multiplication but before adding?

• 31

• 4

• 8

• 27

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CCSS.HSA.APR.A.1

What is the highest degree of the resulting polynomial in the second example?

• x^3

• x^4

• x^2

• x^5

What does the instructor hope the viewers find the video?

• Entertaining

• Useful

• Short

• Challenging

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CCSS.RI.9-10.7

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