Find All the Remaining Rational Zeros Given One Zero

Find All the Remaining Rational Zeros Given One Zero

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial covers the application of the rational zero test to identify and verify rational zeros of polynomials. It explains the process of using division, particularly synthetic division, to find zeros and factors. The tutorial also demonstrates solving quadratic equations to determine all zeros, emphasizing the importance of understanding factors and the fundamental theorem of algebra.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in applying the rational zero test?

Perform synthetic division

Use the quadratic formula

Solve the quadratic equation

List the factors of the constant term and leading coefficient

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If 2 is a zero of a polynomial, what does it imply?

2 is not a factor

2 is a complex zero

2 is a rational zero

2 is an irrational zero

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is suggested for finding additional zeros when one zero is known?

Long division

Trial and error

Synthetic division

Graphical method

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the quotient in synthetic division?

It is the remainder

It is a factor of the original polynomial

It is used as a new polynomial

It is discarded

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one method to solve a quadratic equation when a is not equal to 1?

Use the quadratic formula

Graph the equation

Apply the rational zero test

Use synthetic division

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many zeros should be found for a cubic polynomial according to the fundamental theorem of algebra?

One

Two

Three

Four

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a rational zero of the polynomial if -5 is a zero?

5/2

-5/1

1/3

3/4