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# Solutions for Chapter 12.3: Systems and Matrices ## Full solutions for Precalculus | 1st Edition

ISBN: 9780030416477 Solutions for Chapter 12.3: Systems and Matrices

Solutions for Chapter 12.3
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##### ISBN: 9780030416477

Precalculus was written by Patricia and is associated to the ISBN: 9780030416477. Chapter 12.3: Systems and Matrices includes 8 full step-by-step solutions. Since 8 problems in chapter 12.3: Systems and Matrices have been answered, more than 9274 students have viewed full step-by-step solutions from this chapter. This textbook survival guide was created for the textbook: Precalculus, edition: 1. This expansive textbook survival guide covers the following chapters and their solutions.

Key Calculus Terms and definitions covered in this textbook
• Acceleration due to gravity

g ? 32 ft/sec2 ? 9.8 m/sec

• Ambiguous case

The case in which two sides and a nonincluded angle can determine two different triangles

• Angle of depression

The acute angle formed by the line of sight (downward) and the horizontal

• Binomial theorem

A theorem that gives an expansion formula for (a + b)n

• Common logarithm

A logarithm with base 10.

• Exponential form

An equation written with exponents instead of logarithms.

• Extracting square roots

A method for solving equations in the form x 2 = k.

• Geometric series

A series whose terms form a geometric sequence.

• Inferential statistics

Using the science of statistics to make inferences about the parameters in a population from a sample.

• Integrable over [a, b] Lba

ƒ1x2 dx exists.

See Polynomial function in x.

• Outliers

Data items more than 1.5 times the IQR below the first quartile or above the third quartile.

• PH

The measure of acidity

• Plane in Cartesian space

The graph of Ax + By + Cz + D = 0, where A, B, and C are not all zero.

• Product of complex numbers

(a + bi)(c + di) = (ac - bd) + (ad + bc)i

• Solution of a system in two variables

An ordered pair of real numbers that satisfies all of the equations or inequalities in the system

• Standard unit vectors

In the plane i = <1, 0> and j = <0,1>; in space i = <1,0,0>, j = <0,1,0> k = <0,0,1>

• Sum of an infinite geometric series

Sn = a 1 - r , |r| 6 1

• Time plot

A line graph in which time is measured on the horizontal axis.

• Vertex of a cone

See Right circular cone.

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