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# Solutions for Chapter 8.3: The Inverse of a Square Matrix

## Full solutions for Precalculus | 7th Edition

ISBN: 9780618643448

Solutions for Chapter 8.3: The Inverse of a Square Matrix

Solutions for Chapter 8.3
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##### ISBN: 9780618643448

This textbook survival guide was created for the textbook: Precalculus, edition: 7. Since 83 problems in chapter 8.3: The Inverse of a Square Matrix have been answered, more than 38038 students have viewed full step-by-step solutions from this chapter. This expansive textbook survival guide covers the following chapters and their solutions. Precalculus was written by and is associated to the ISBN: 9780618643448. Chapter 8.3: The Inverse of a Square Matrix includes 83 full step-by-step solutions.

Key Calculus Terms and definitions covered in this textbook
• Arcsine function

See Inverse sine function.

• Arrow

The notation PQ denoting the directed line segment with initial point P and terminal point Q.

• Augmented matrix

A matrix that represents a system of equations.

• Bounded above

A function is bounded above if there is a number B such that ƒ(x) ? B for all x in the domain of ƒ.

• Constant function (on an interval)

ƒ(x 1) = ƒ(x 2) x for any x1 and x2 (in the interval)

• Infinite limit

A special case of a limit that does not exist.

• Inverse reflection principle

If the graph of a relation is reflected across the line y = x , the graph of the inverse relation results.

• Leaf

The final digit of a number in a stemplot.

• Line of symmetry

A line over which a graph is the mirror image of itself

• Midpoint (in a coordinate plane)

For the line segment with endpoints (a,b) and (c,d), (aa + c2 ,b + d2)

• Multiplication principle of counting

A principle used to find the number of ways an event can occur.

• Ordered set

A set is ordered if it is possible to compare any two elements and say that one element is “less than” or “greater than” the other.

• Partial fractions

The process of expanding a fraction into a sum of fractions. The sum is called the partial fraction decomposition of the original fraction.

• Positive linear correlation

See Linear correlation.

• Real number

Any number that can be written as a decimal.

• Right triangle

A triangle with a 90° angle.

• Semiminor axis

The distance from the center of an ellipse to a point on the ellipse along a line perpendicular to the major axis.

• Statute mile

5280 feet.

• Sum of an infinite series

See Convergence of a series

• Vertices of a hyperbola

The points where a hyperbola intersects the line containing its foci.

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