Learn How to Find the Real and Complex Zeros from Factoring

Learn How to Find the Real and Complex Zeros from Factoring

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial covers solving equations by factoring, focusing on finding zeros and using the zero product property. It explains solving quadratic equations by taking square roots and introduces imaginary numbers, emphasizing their role in algebra. The tutorial also discusses complex zeros and their graphical representation, highlighting the difference between real and imaginary zeros.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in finding the zeros of a polynomial by factoring?

Use the quadratic formula

Graph the polynomial

Perform long division

Set the polynomial equal to zero

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When factoring a polynomial, what property allows you to set each factor equal to zero?

Distributive Property

Zero Product Property

Associative Property

Commutative Property

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you handle the square root of a negative number?

Rewrite it using imaginary units

Use the quadratic formula

Ignore the negative sign

Convert it to a positive number

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the imaginary unit 'i' defined as?

The square root of 2

The square root of 0

The square root of -1

The square root of 1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the multiplicity of a zero?

The number of complex zeros

The number of real zeros

The degree of the polynomial

The number of times a zero appears in a polynomial