Given complex zeros write the polynomial

Given complex zeros write the polynomial

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial covers the concept of zeros and X intercepts in polynomials, explaining how these are used to find polynomial functions. It introduces the conjugate root theorem for complex numbers and demonstrates the zero product property. The tutorial also covers techniques for multiplying polynomials, including the box method and the difference of squares, and emphasizes the importance of following the order of operations.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of zeros in a polynomial function?

They are the points where the function is undefined.

They determine the maximum value of the function.

They are the points where the function equals zero.

They indicate the slope of the function.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the conjugate root theorem, what must be included when a complex number is a root?

The square of the complex number

The reciprocal of the complex number

The negative of the complex number

The conjugate of the complex number

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the zero product property help us determine in a polynomial?

The leading coefficient of the polynomial

The degree of the polynomial

The constant term of the polynomial

The zeros of the polynomial

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using the box method in polynomial multiplication?

To find the derivative of the polynomial

To simplify the polynomial

To organize and simplify the multiplication of terms

To determine the degree of the polynomial

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When multiplying two binomials, what is a quick method to use if they are conjugates?

Use the binomial theorem

Use the difference of squares formula

Use the sum of cubes formula

Use the quadratic formula

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying i squared by a negative number?

Zero

A negative number

A positive number

An imaginary number

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final polynomial obtained from the given zeros in the video?

X^5 - 6X^3 + 1

X^2 + 3X + 2

X^3 + 4X - 5

X^4 + 5X^2 - 6