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# Solutions for Chapter 7.3: Multivariable Linear Systems

## Full solutions for Precalculus | 7th Edition

ISBN: 9780618643448

Solutions for Chapter 7.3: Multivariable Linear Systems

Solutions for Chapter 7.3
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##### ISBN: 9780618643448

This expansive textbook survival guide covers the following chapters and their solutions. Precalculus was written by and is associated to the ISBN: 9780618643448. Since 107 problems in chapter 7.3: Multivariable Linear Systems have been answered, more than 35060 students have viewed full step-by-step solutions from this chapter. Chapter 7.3: Multivariable Linear Systems includes 107 full step-by-step solutions. This textbook survival guide was created for the textbook: Precalculus, edition: 7.

Key Calculus Terms and definitions covered in this textbook
• Acute triangle

A triangle in which all angles measure less than 90°

• Algebraic expression

A combination of variables and constants involving addition, subtraction, multiplication, division, powers, and roots

• Bearing

Measure of the clockwise angle that the line of travel makes with due north

• Constant

A letter or symbol that stands for a specific number,

• Continuous function

A function that is continuous on its entire domain

• Dependent variable

Variable representing the range value of a function (usually y)

• Equivalent equations (inequalities)

Equations (inequalities) that have the same solutions.

• First quartile

See Quartile.

• Geometric sequence

A sequence {an}in which an = an-1.r for every positive integer n ? 2. The nonzero number r is called the common ratio.

• Initial side of an angle

See Angle.

• Intercepted arc

Arc of a circle between the initial side and terminal side of a central angle.

• Inverse function

The inverse relation of a one-to-one function.

• Inverse variation

See Power function.

• Logarithmic re-expression of data

Transformation of a data set involving the natural logarithm: exponential regression, natural logarithmic regression, power regression

• Origin

The number zero on a number line, or the point where the x- and y-axes cross in the Cartesian coordinate system, or the point where the x-, y-, and z-axes cross in Cartesian three-dimensional space

• Orthogonal vectors

Two vectors u and v with u x v = 0.

• Quartile

The first quartile is the median of the lower half of a set of data, the second quartile is the median, and the third quartile is the median of the upper half of the data.

• Recursively defined sequence

A sequence defined by giving the first term (or the first few terms) along with a procedure for finding the subsequent terms.

• Secant line of ƒ

A line joining two points of the graph of ƒ.

• Sinusoid

A function that can be written in the form f(x) = a sin (b (x - h)) + k or f(x) = a cos (b(x - h)) + k. The number a is the amplitude, and the number h is the phase shift.

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