Master how to find all of the zeros of a polynomial when given two complex zerosgiven c

Master how to find all of the zeros of a polynomial when given two complex zerosgiven c

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to find all zeros of a polynomial when given one complex zero. It covers the use of synthetic division to find other factors, the role of complex conjugates, and alternative methods for finding zeros. The tutorial also demonstrates multiplying and dividing factors to simplify the polynomial and find real zeros.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in finding another factor of a polynomial when given a complex zero?

Use the quadratic formula

Apply synthetic division

Use the remainder theorem

Find the derivative

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When adding complex numbers during synthetic division, what should you remember?

Ignore the imaginary parts

Subtract the imaginary parts

Add the real and imaginary parts separately

Multiply the real parts only

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to check for a zero remainder in synthetic division?

To determine the leading coefficient

To find the degree of the polynomial

To identify the constant term

To confirm the zero is correct

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the benefit of using the complex conjugate when finding zeros?

It simplifies the polynomial

It provides additional real zeros

It reduces the polynomial's degree

It ensures all zeros are found

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you write a polynomial in factored form using its zeros?

By setting each zero equal to zero

By adding the zeros to the polynomial

By multiplying the zeros together

By using the zeros to form linear factors

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference of squares used for in this context?

To find the derivative of a polynomial

To simplify complex numbers

To multiply factors and find another factor

To add complex conjugates

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an alternative method to synthetic division for finding zeros?

Using the quadratic formula

Using the difference of squares

Using polynomial long division

Using the binomial theorem