Learning how to find all the possible rational zeros of a polynomial using the rational zero test

Learning how to find all the possible rational zeros of a polynomial using the rational zero test

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains the difference between the carceral science and the rational zero test, focusing on the latter. It details how to determine possible rational zeros of a polynomial by using the factors of the constant term and the leading coefficient. The instructor provides a systematic approach to listing factors and applying the test, with examples to illustrate the process. Complex cases are also discussed, emphasizing the importance of understanding factors and their application in polynomial equations.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the rational zero test help determine in a polynomial?

The sum of the coefficients

The number of complex solutions

The possible rational zeros

The degree of the polynomial

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in identifying factors for the rational zero test?

Begin with the largest number

List all even numbers

Consider only prime numbers

Start with the smallest number

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When listing factors for the rational zero test, why is it important to include both positive and negative values?

Because polynomials can only have positive solutions

Negative values are not needed

To account for all possible rational zeros

It simplifies the calculation

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example provided, what is the result of dividing the factor 16 by 1?

2

8

16

4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a polynomial has a leading coefficient with multiple factors, what must be done according to the rational zero test?

Divide each factor of the constant by each factor of the leading coefficient

Ignore the additional factors

Only consider the largest factor

Use only the smallest factor