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Solutions for Chapter Chapter 3: Equations and Inequalities

Precalculus | 4th Edition | ISBN: 9780321559845 | Authors: Robert F. Blitzer

Full solutions for Precalculus | 4th Edition

ISBN: 9780321559845

Precalculus | 4th Edition | ISBN: 9780321559845 | Authors: Robert F. Blitzer

Solutions for Chapter Chapter 3: Equations and Inequalities

Solutions for Chapter Chapter 3
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Textbook: Precalculus
Edition: 4
Author: Robert F. Blitzer
ISBN: 9780321559845

This expansive textbook survival guide covers the following chapters and their solutions. Chapter Chapter 3: Equations and Inequalities includes 94 full step-by-step solutions. Since 94 problems in chapter Chapter 3: Equations and Inequalities have been answered, more than 76268 students have viewed full step-by-step solutions from this chapter. Precalculus was written by and is associated to the ISBN: 9780321559845. This textbook survival guide was created for the textbook: Precalculus, edition: 4.

Key Calculus Terms and definitions covered in this textbook
  • Common difference

    See Arithmetic sequence.

  • Common logarithm

    A logarithm with base 10.

  • Compound fraction

    A fractional expression in which the numerator or denominator may contain fractions

  • Directed angle

    See Polar coordinates.

  • Ellipse

    The set of all points in the plane such that the sum of the distances from a pair of fixed points (the foci) is a constant

  • First-degree equation in x , y, and z

    An equation that can be written in the form.

  • Half-plane

    The graph of the linear inequality y ? ax + b, y > ax + b y ? ax + b, or y < ax + b.

  • Magnitude of an arrow

    The magnitude of PQ is the distance between P and Q

  • Midpoint (in Cartesian space)

    For the line segment with endpoints (x 1, y1, z 1) and (x2, y2, z2), ax 1 + x 22 ,y1 + y22 ,z 1 + z 22 b

  • n factorial

    For any positive integer n, n factorial is n! = n.(n - 1) . (n - 2) .... .3.2.1; zero factorial is 0! = 1

  • Nappe

    See Right circular cone.

  • nth root

    See Principal nth root

  • Parametrization

    A set of parametric equations for a curve.

  • Phase shift

    See Sinusoid.

  • Reflexive property of equality

    a = a

  • Symmetric about the origin

    A graph in which (-x, -y) is on the the graph whenever (x, y) is; or a graph in which (-r, ?) or (r, ? + ?) is on the graph whenever (r, ?) is

  • symmetric about the x-axis

    A graph in which (x, -y) is on the graph whenever (x, y) is; or a graph in which (r, -?) or (-r, ?, -?) is on the graph whenever (r, ?) is

  • Unit ratio

    See Conversion factor.

  • yz-plane

    The points (0, y, z) in Cartesian space.

  • Zero factor property

    If ab = 0 , then either a = 0 or b = 0.

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