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Solutions for Chapter 7.2: Systems and Matrices

Precalculus: Graphical, Numerical, Algebraic | 8th Edition | ISBN: 9780321656933 | Authors: Franklin Demana, Bert K. Waits, Gregory D. Foley, Daniel Kennedy, Dave Bock

Full solutions for Precalculus: Graphical, Numerical, Algebraic | 8th Edition

ISBN: 9780321656933

Precalculus: Graphical, Numerical, Algebraic | 8th Edition | ISBN: 9780321656933 | Authors: Franklin Demana, Bert K. Waits, Gregory D. Foley, Daniel Kennedy, Dave Bock

Solutions for Chapter 7.2: Systems and Matrices

Solutions for Chapter 7.2
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Textbook: Precalculus: Graphical, Numerical, Algebraic
Edition: 8th Edition
Author: Franklin Demana, Bert K. Waits, Gregory D. Foley, Daniel Kennedy, Dave Bock
ISBN: 9780321656933

Precalculus: Graphical, Numerical, Algebraic was written by and is associated to the ISBN: 9780321656933. Chapter 7.2: Systems and Matrices includes 83 full step-by-step solutions. This expansive textbook survival guide covers the following chapters and their solutions. This textbook survival guide was created for the textbook: Precalculus: Graphical, Numerical, Algebraic, edition: 8th Edition. Since 83 problems in chapter 7.2: Systems and Matrices have been answered, more than 43255 students have viewed full step-by-step solutions from this chapter.

Key Calculus Terms and definitions covered in this textbook
  • Cofunction identity

    An identity that relates the sine, secant, or tangent to the cosine, cosecant, or cotangent, respectively

  • Cycloid

    The graph of the parametric equations

  • Distributive property

    a(b + c) = ab + ac and related properties

  • Endpoint of an interval

    A real number that represents one “end” of an interval.

  • Equal matrices

    Matrices that have the same order and equal corresponding elements.

  • Factoring (a polynomial)

    Writing a polynomial as a product of two or more polynomial factors.

  • Frequency table (in statistics)

    A table showing frequencies.

  • Limaçon

    A graph of a polar equation r = a b sin u or r = a b cos u with a > 0 b > 0

  • Line graph

    A graph of data in which consecutive data points are connected by line segments

  • nth root of a complex number z

    A complex number v such that vn = z

  • nth root of unity

    A complex number v such that vn = 1

  • Polynomial in x

    An expression that can be written in the form an x n + an-1x n-1 + Á + a1x + a0, where n is a nonnegative integer, the coefficients are real numbers, and an ? 0. The degree of the polynomial is n, the leading coefficient is an, the leading term is anxn, and the constant term is a0. (The number 0 is the zero polynomial)

  • Principal nth root

    If bn = a, then b is an nth root of a. If bn = a and a and b have the same sign, b is the principal nth root of a (see Radical), p. 508.

  • Probability simulation

    A numerical simulation of a probability experiment in which assigned numbers appear with the same probabilities as the outcomes of the experiment.

  • Range screen

    See Viewing window.

  • Series

    A finite or infinite sum of terms.

  • Slope-intercept form (of a line)

    y = mx + b

  • Standard form of a complex number

    a + bi, where a and b are real numbers

  • y-intercept

    A point that lies on both the graph and the y-axis.

  • Zero factor property

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

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