Solve a Polynomial with Complex Zeros by Factoring

Solve a Polynomial with Complex Zeros by Factoring

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains the concept of complex zeros and how to find them using different methods, such as factored form and zero product property. It introduces imaginary numbers and demonstrates solving equations involving them. The tutorial also covers the importance of understanding square roots and the imaginary unit, concluding with an explanation of the zero set.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the best form to use when finding zeros of a polynomial equation?

Vertex form

Factored form

Standard form

Expanded form

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the imaginary unit 'i' used for in mathematics?

To denote a variable

To simplify fractions

To represent a real number

To solve equations with square roots of negative numbers

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't we take the square root of a negative number in the real number system?

Because it results in an integer

Because it results in a whole number

Because it results in a rational number

Because it results in a complex number

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When taking the square root of a negative number, what must be included?

Neither root

Both positive and negative roots

Only the positive root

Only the negative root

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the zero set for the equation discussed in the tutorial?

-2i, 2i, 0

0, 2, -2

i, -i, 0

1, -1, 0