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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 71072 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
• Annuity

A sequence of equal periodic payments.

• Aphelion

The farthest point from the Sun in a planet’s orbit

• Arcsine function

See Inverse sine function.

• Axis of symmetry

See Line of symmetry.

• Completing the square

A method of adding a constant to an expression in order to form a perfect square

• Discriminant

For the equation ax 2 + bx + c, the expression b2 - 4ac; for the equation Ax2 + Bxy + Cy2 + Dx + Ey + F = 0, the expression B2 - 4AC

• 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

• DMS measure

The measure of an angle in degrees, minutes, and seconds

• Equation

A statement of equality between two expressions.

• Explanatory variable

A variable that affects a response variable.

• Geometric sequence

A sequence {an}in which an = an-1.r for every positive integer n ? 2. The nonzero number r is called the common ratio.

• Intercepted arc

Arc of a circle between the initial side and terminal side of a central angle.

• Lower bound of f

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

• Octants

The eight regions of space determined by the coordinate planes.

• Pole

See Polar coordinate system.

• Position vector of the point (a, b)

The vector <a,b>.

The formula x = -b 2b2 - 4ac2a used to solve ax 2 + bx + c = 0.

• Tangent line of ƒ at x = a

The line through (a, ƒ(a)) with slope ƒ'(a) provided ƒ'(a) exists.

• Triangular form

A special form for a system of linear equations that facilitates finding the solution.

• Whole numbers

The numbers 0, 1, 2, 3, ... .

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