Algebra and Trigonometry: Structure and Method, Book 2

2000th Edition

ISBN: 9780395977255

Author: MCDOUGAL LITTEL

Publisher: McDougal Littell

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Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.

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Question

Chapter 7, Problem 5CR

To determine

To find: the nature of roots of the quadratic equation.

Expert Solution & Answer

Answer to Problem 5CR

The roots of the quadratic equation are imaginary conjugates.

Explanation of Solution

Given information:

The quadratic equation is 9y2−6y+5=0 .

Calculation:to find the nature of roots of the quadratic equation, first find the discriminant of quadratic equation,

9y2−6y+5=0a=9,b=−6,c=5D=b2−4acD=(−6)2−4(9)(5) [substitute]D=36−180 [multiply]D<0

Thus, the discriminant of equation is less than zero then the root of the equation must be imaginary conjugates.

Chapter 7, Problem 4CR

Chapter 7, Problem 6CR

Chapter 7 Solutions

Algebra and Trigonometry: Structure and Method, Book 2

Ch. 7.1 - Prob. 1OE Ch. 7.1 - Prob. 2OE Ch. 7.1 - Prob. 3OE Ch. 7.1 - Prob. 4OE Ch. 7.1 - Prob. 5OE Ch. 7.1 - Prob. 6OE Ch. 7.1 - Prob. 7OE Ch. 7.1 - Prob. 8OE Ch. 7.1 - Prob. 9OE Ch. 7.1 - Prob. 10OE

Ch. 7.1 - Prob. 11OE Ch. 7.1 - Prob. 12OE Ch. 7.1 - Prob. 13OE Ch. 7.1 - Prob. 14OE Ch. 7.1 - Prob. 15OE Ch. 7.1 - Prob. 16OE Ch. 7.1 - Prob. 17OE Ch. 7.1 - Prob. 18OE Ch. 7.1 - Prob. 19OE Ch. 7.1 - Prob. 20OE Ch. 7.1 - Prob. 1WE Ch. 7.1 - Prob. 2WE Ch. 7.1 - Prob. 3WE Ch. 7.1 - Prob. 4WE Ch. 7.1 - Prob. 5WE Ch. 7.1 - Prob. 6WE Ch. 7.1 - Prob. 7WE Ch. 7.1 - Prob. 8WE Ch. 7.1 - Prob. 9WE Ch. 7.1 - Prob. 10WE Ch. 7.1 - Prob. 11WE Ch. 7.1 - Prob. 12WE Ch. 7.1 - Prob. 13WE Ch. 7.1 - Prob. 14WE Ch. 7.1 - Prob. 15WE Ch. 7.1 - Prob. 16WE Ch. 7.1 - Prob. 17WE Ch. 7.1 - Prob. 18WE Ch. 7.1 - Prob. 19WE Ch. 7.1 - Prob. 20WE Ch. 7.1 - Prob. 21WE Ch. 7.1 - Prob. 22WE Ch. 7.1 - Prob. 23WE Ch. 7.1 - Prob. 24WE Ch. 7.1 - Prob. 25WE Ch. 7.1 - Prob. 26WE Ch. 7.1 - Prob. 27WE Ch. 7.1 - Prob. 28WE Ch. 7.1 - Prob. 29WE Ch. 7.1 - Prob. 30WE Ch. 7.1 - Prob. 31WE Ch. 7.1 - Prob. 32WE Ch. 7.1 - Prob. 33WE Ch. 7.1 - Prob. 34WE Ch. 7.1 - Prob. 35WE Ch. 7.1 - Prob. 36WE Ch. 7.1 - Prob. 37WE Ch. 7.1 - Prob. 38WE Ch. 7.1 - 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Prob. 16P Ch. 7.7 - Prob. 1MRE Ch. 7.7 - Prob. 2MRE Ch. 7.7 - Prob. 3MRE Ch. 7.7 - Prob. 4MRE Ch. 7.7 - Prob. 5MRE Ch. 7.7 - Prob. 6MRE Ch. 7.7 - Prob. 7MRE Ch. 7.7 - Prob. 8MRE Ch. 7.7 - Prob. 9MRE Ch. 7.7 - Prob. 10MRE Ch. 7.7 - Prob. 11MRE Ch. 7.7 - Prob. 12MRE Ch. 7.7 - Prob. 1ST Ch. 7.7 - Prob. 2ST Ch. 7.7 - Prob. 3ST Ch. 7.7 - Prob. 4ST Ch. 7.7 - Prob. 5ST Ch. 7.7 - Prob. 6ST Ch. 7.7 - Prob. 7ST Ch. 7 - Prob. 1CR Ch. 7 - Prob. 2CR Ch. 7 - Prob. 3CR Ch. 7 - Prob. 4CR Ch. 7 - Prob. 5CR Ch. 7 - Prob. 6CR Ch. 7 - Prob. 7CR Ch. 7 - Prob. 8CR Ch. 7 - Prob. 9CR Ch. 7 - Prob. 10CR Ch. 7 - Prob. 11CR Ch. 7 - Prob. 12CR Ch. 7 - Prob. 13CR Ch. 7 - Prob. 14CR Ch. 7 - Prob. 15CR Ch. 7 - Prob. 1CT Ch. 7 - Prob. 2CT Ch. 7 - Prob. 3CT Ch. 7 - Prob. 4CT Ch. 7 - Prob. 5CT Ch. 7 - Prob. 6CT Ch. 7 - Prob. 7CT Ch. 7 - Prob. 8CT Ch. 7 - Prob. 9CT Ch. 7 - Prob. 10CT Ch. 7 - Prob. 11CT Ch. 7 - Prob. 12CT Ch. 7 - Prob. 13CT Ch. 7 - Prob. 14CT Ch. 7 - Prob. 1CLR Ch. 7 - Prob. 2CLR Ch. 7 - Prob. 3CLR Ch. 7 - 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the nature of roots of the quadratic equation .

Concept explainers

Videos

To find: the nature of roots of the quadratic equation.

Answer to Problem 5CR

Explanation of Solution

Chapter 7 Solutions

Additional Math Textbook Solutions