Write the polynomial given conjugate irrational zeros

Write the polynomial given conjugate irrational zeros

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial covers the process of finding zeros and converting them into factored form. It explains how to multiply polynomials, specifically trinomials and binomials, using the long form method. The tutorial concludes with combining like terms to finalize the polynomial expression.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in rewriting zeros as factors?

Add all terms to one side

Set them equal to zero using inverse operations

Divide by a constant

Multiply by a constant

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does the instructor prefer long form multiplication for trinomials?

It is faster

It avoids mistakes

It is more intuitive

It is a requirement

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying X^2 - 2X - 1 by 2X + 1?

2X^3 + X^2 - 4X^2 - 2X - 1

2X^3 - 3X^2 - 4X - 1

2X^3 + 3X^2 + 4X + 1

2X^3 - X^2 + 4X + 1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final expression after combining like terms?

2X^3 - X^2 + 4X - 1

2X^3 - 3X^2 - 4X - 1

2X^3 + 3X^2 - 4X + 1

2X^3 + X^2 - 4X^2 - 2X - 1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which operation is used to finalize the polynomial expression?

Multiplication

Subtraction

Division

Addition