Learn How to Find All Zeros of a Polynomial Using Rational Zero Test and Synthetic

Learn How to Find All Zeros of a Polynomial Using Rational Zero Test and Synthetic

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to find rational zeros of a polynomial using the P/Q method. It covers testing possible zeros with the remainder theorem and synthetic division. The tutorial also demonstrates factoring and using the zero product property to find zeros. Graphing is used to confirm zeros, and the final solutions are presented.

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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 all possible rational zeros of a polynomial?

Use the quadratic formula

Graph the polynomial

Apply the P/Q method

Perform synthetic division

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which theorem can be used to verify if a number is a zero of a polynomial?

Binomial Theorem

Factor Theorem

Remainder Theorem

Pythagorean Theorem

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of synthetic division in polynomial analysis?

To find the derivative of a polynomial

To determine the degree of a polynomial

To test potential zeros and factor the polynomial

To calculate the integral of a polynomial

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the factor of a polynomial if -1 is a zero?

X + 2

X - 2

X + 1

X - 1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can graphing technology assist in finding zeros of a polynomial?

By providing the exact value of zeros

By simplifying the polynomial

By calculating the derivative

By showing where the graph crosses the x-axis

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result when you solve X^2 - 5 = 0?

X = ±2.5

X = ±5

X = ±sqrt(5)

X = ±10

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a zero of the polynomial discussed?

3

-1

sqrt(5)

2