College Algebra (10th Edition)
College Algebra (10th Edition)
10th Edition
ISBN: 9780321979476
Author: Michael Sullivan
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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Chapter A.3, Problem 8E

In Problems 7-12, use ZERO (or ROOT) to approximate the positive x - i n t e r c e p t s of each equation. Express the answer rounded to two decimal places.

y   =   x 3   +   3.2 x 2   −   7.25 x   −   6.3

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Chapter A Solutions

College Algebra (10th Edition)

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