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# Solutions for Chapter Chapter 2: Polynomial and Rational Functions

## Full solutions for Precalculus | 4th Edition

ISBN: 9780321559845

Solutions for Chapter Chapter 2: Polynomial and Rational Functions

Solutions for Chapter Chapter 2
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##### ISBN: 9780321559845

Since 99 problems in chapter Chapter 2: Polynomial and Rational Functions have been answered, more than 41918 students have viewed full step-by-step solutions from this chapter. Chapter Chapter 2: Polynomial and Rational Functions includes 99 full step-by-step solutions. This expansive textbook survival guide covers the following chapters and their solutions. Precalculus was written by and is associated to the ISBN: 9780321559845. This textbook survival guide was created for the textbook: Precalculus, edition: 4.

Key Calculus Terms and definitions covered in this textbook
• Algebraic expression

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

• Convenience sample

A sample that sacrifices randomness for convenience

• Dependent event

An event whose probability depends on another event already occurring

• Direction vector for a line

A vector in the direction of a line in three-dimensional space

• Division algorithm for polynomials

Given ƒ(x), d(x) ? 0 there are unique polynomials q1x (quotient) and r1x(remainder) ƒ1x2 = d1x2q1x2 + r1x2 with with either r1x2 = 0 or degree of r(x) 6 degree of d1x2

• Finite sequence

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

• Gaussian curve

See Normal curve.

• Gaussian elimination

A method of solving a system of n linear equations in n unknowns.

• Graph of a relation

The set of all points in the coordinate plane corresponding to the ordered pairs of the relation.

• Graph of parametric equations

The set of all points in the coordinate plane corresponding to the ordered pairs determined by the parametric equations.

• Inequality

A statement that compares two quantities using an inequality symbol

• Leibniz notation

The notation dy/dx for the derivative of ƒ.

• Linear inequality in x

An inequality that can be written in the form ax + b < 0 ,ax + b … 0 , ax + b > 0, or ax + b Ú 0, where a and b are real numbers and a Z 0

• Number line graph of a linear inequality

The graph of the solutions of a linear inequality (in x) on a number line

• Positive angle

Angle generated by a counterclockwise rotation.

• Reference angle

See Reference triangle

• Scatter plot

A plot of all the ordered pairs of a two-variable data set on a coordinate plane.

• Solve by substitution

Method for solving systems of linear equations.

• Spiral of Archimedes

The graph of the polar curve.

• Standard form: equation of a circle

(x - h)2 + (y - k2) = r 2

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