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# Solutions for Chapter 9.4: Rotation of Axes

## Full solutions for Precalculus | 4th Edition

ISBN: 9780321559845

Solutions for Chapter 9.4: Rotation of Axes

Solutions for Chapter 9.4
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##### ISBN: 9780321559845

Since 72 problems in chapter 9.4: Rotation of Axes have been answered, more than 106747 students have viewed full step-by-step solutions from this chapter. Precalculus was written by and is associated to the ISBN: 9780321559845. This expansive textbook survival guide covers the following chapters and their solutions. Chapter 9.4: Rotation of Axes includes 72 full step-by-step solutions. This textbook survival guide was created for the textbook: Precalculus, edition: 4.

Key Calculus Terms and definitions covered in this textbook
• Branches

The two separate curves that make up a hyperbola

• Derivative of ƒ at x a

ƒ'(a) = lim x:a ƒ(x) - ƒ(a) x - a provided the limit exists

• Equal matrices

Matrices that have the same order and equal corresponding elements.

• Exponential form

An equation written with exponents instead of logarithms.

• Finite sequence

A function whose domain is the first n positive integers for some fixed integer n.

• First-degree equation in x , y, and z

An equation that can be written in the form.

• Implicitly defined function

A function that is a subset of a relation defined by an equation in x and y.

• Inferential statistics

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

• Inverse composition rule

The composition of a one-toone function with its inverse results in the identity function.

• Line of travel

The path along which an object travels

• Linear equation in x

An equation that can be written in the form ax + b = 0, where a and b are real numbers and a Z 0

• NINT (ƒ(x), x, a, b)

A calculator approximation to ?ab ƒ(x)dx

• Parabola

The graph of a quadratic function, or the set of points in a plane that are equidistant from a fixed point (the focus) and a fixed line (the directrix).

• Real zeros

Zeros of a function that are real numbers.

• Sample standard deviation

The standard deviation computed using only a sample of the entire population.

• Series

A finite or infinite sum of terms.

• Trigonometric form of a complex number

r(cos ? + i sin ?)

• Unbounded interval

An interval that extends to -? or ? (or both).

• Velocity

A vector that specifies the motion of an object in terms of its speed and direction.

• Zero vector

The vector <0,0> or <0,0,0>.