Precalculus: A Unit Circle Approach (3rd Edition)

3rd Edition

ISBN: 9780134433042

Author: J. S. Ratti, Marcus S. McWaters, Leslaw Skrzypek

Publisher: PEARSON

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

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Textbook Question

Chapter A.6, Problem 8E

In Exercises 1-46, find the solution set of each equation has no solution write θ , and if the equation is an identity so state.

8. 2 x − 1 = 3 x + 1

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Chapter A.6, Problem 7E

Chapter A.6, Problem 9E

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Chapter A.6 Solutions

Precalculus: A Unit Circle Approach (3rd Edition)

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In Exercises 1-46, find the solution set of each equation has no solution write θ , and if the equation is an identity so state. 8. 2 x − 1 = 3 x + 1

Solution Summary: The author explains that the solution set of the given equation is left5right.

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Chapter A.6 Solutions