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# Solutions for Chapter 7.6: Precalculus 5th Edition ## Full solutions for Precalculus | 5th Edition

ISBN: 9780321837349 Solutions for Chapter 7.6

Solutions for Chapter 7.6
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##### ISBN: 9780321837349

Chapter 7.6 includes 6 full step-by-step solutions. This textbook survival guide was created for the textbook: Precalculus, edition: 5. This expansive textbook survival guide covers the following chapters and their solutions. Precalculus was written by and is associated to the ISBN: 9780321837349. Since 6 problems in chapter 7.6 have been answered, more than 11861 students have viewed full step-by-step solutions from this chapter.

Key Calculus Terms and definitions covered in this textbook
• Absolute value of a complex number

The absolute value of the complex number z = a + b is given by ?a2+b2; also, the length of the segment from the origin to z in the complex plane.

• Difference identity

An identity involving a trigonometric function of u - v

• Distributive property

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

• Index of summation

See Summation notation.

• Initial value of a function

ƒ 0.

• Irreducible quadratic over the reals

A quadratic polynomial with real coefficients that cannot be factored using real coefficients.

• Lower bound of f

Any number b for which b < ƒ(x) for all x in the domain of ƒ

• Midpoint (in a coordinate plane)

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

• Negative numbers

Real numbers shown to the left of the origin on a number line.

• Outliers

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

• Partial fraction decomposition

See Partial fractions.

• PH

The measure of acidity

• Product of matrices A and B

The matrix in which each entry is obtained by multiplying the entries of a row of A by the corresponding entries of a column of B and then adding

• 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.

• Reciprocal of a real number

See Multiplicative inverse of a real number.

• Sample space

Set of all possible outcomes of an experiment.

• Square matrix

A matrix whose number of rows equals the number of columns.

• Subtraction

a - b = a + (-b)

• Sum of an infinite series

See Convergence of a series

• Window dimensions

The restrictions on x and y that specify a viewing window. See Viewing window.

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