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Textbooks / Calculus / Precalculus 4

# Precalculus 4th Edition - Solutions by Chapter ## Full solutions for Precalculus | 4th Edition

ISBN: 9780321559845 Precalculus | 4th Edition - Solutions by Chapter

Solutions by Chapter
4 5 0 294 Reviews
##### ISBN: 9780321559845

Since problems from 92 chapters in Precalculus have been answered, more than 133120 students have viewed full step-by-step answer. The full step-by-step solution to problem in Precalculus were answered by , our top Calculus solution expert on 01/04/18, 08:34PM. This expansive textbook survival guide covers the following chapters: 92. 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
• Absolute value of a real number

Denoted by |a|, represents the number a or the positive number -a if a < 0.

• Associative properties

a + (b + c) = (a + b) + c, a(bc) = (ab)c.

• Conic section (or conic)

A curve obtained by intersecting a double-napped right circular cone with a plane

• Cotangent

The function y = cot x

• Difference identity

An identity involving a trigonometric function of u - v

• Elimination method

A method of solving a system of linear equations

• Equilibrium point

A point where the supply curve and demand curve intersect. The corresponding price is the equilibrium price.

• Frequency distribution

See Frequency table.

• Hyperbola

A set of points in a plane, the absolute value of the difference of whose distances from two fixed points (the foci) is a constant.

• Line of travel

The path along which an object travels

• Lower bound for real zeros

A number c is a lower bound for the set of real zeros of ƒ if ƒ(x) Z 0 whenever x < c

• Multiplicative identity for matrices

See Identity matrix

• Ordered pair

A pair of real numbers (x, y), p. 12.

• Polar equation

An equation in r and ?.

• Pole

See Polar coordinate system.

• Reflection

Two points that are symmetric with respect to a lineor a point.

• Resistant measure

A statistical measure that does not change much in response to outliers.

• Row operations

See Elementary row operations.

• Solve by elimination or substitution

Methods for solving systems of linear equations.

• Speed

The magnitude of the velocity vector, given by distance/time.