 Chapter 1: Functions and Their Graphs
 Chapter 13: Cumulative Test for Chapters 13
 Chapter 1.1: Rectangular Coordinates
 Chapter 1.10: Mathematical Modeling and Variation
 Chapter 1.2: Graphs of Equations
 Chapter 1.3: Linear Equations in Two Variables
 Chapter 1.4: Functions
 Chapter 1.5: Analyzing Graphs of Functions
 Chapter 1.6: A Library of Parent Functions
 Chapter 1.7: Transformations of Functions
 Chapter 1.8: Combinations of Functions: Composite Functions
 Chapter 1.9: Inverse Functions
 Chapter 10: Topics in Analytic Geometry
 Chapter 10.1: Lines
 Chapter 10.2: Introduction to Conics: Parabolas
 Chapter 10.3: Ellipses
 Chapter 10.4: Hyperbolas
 Chapter 10.5: Rotation of Conics
 Chapter 10.6: Parametric Equations
 Chapter 10.7: Polar Coordinates
 Chapter 10.8: Graphs of Polar Equations
 Chapter 10.9: Polar Equations of Conics
 Chapter 2: Polynomial and Rational Functions
 Chapter 2.1: Quadratic Functions and Models
 Chapter 2.2: Polynomial Functions of Higher Degree
 Chapter 2.3: Polynomial and Synthetic Division
 Chapter 2.4: Complex Numbers
 Chapter 2.5: Zeros of Polynomial Functions
 Chapter 2.6: Rational Functions
 Chapter 2.7: Nonlinear Inequalities
 Chapter 3: Exponential and Logarithmic Functions
 Chapter 3.1: Exponential Functions and Their Graphs
 Chapter 3.2: Logarithmic Functions and Their Graphs
 Chapter 3.3: Properties of Logarithms
 Chapter 3.4: Exponential and Logarithmic Equations
 Chapter 3.5: Exponential and Logarithmic Models
 Chapter 4: Trigonometry
 Chapter 4.1: Radian and Degree Measure
 Chapter 4.2: Trigonometric Functions: The Unit Circle
 Chapter 4.3: Right Triangle Trigonometry
 Chapter 4.4: Trigonometric Functions of Any Angle
 Chapter 4.5: Graphs of Sine and Cosine Functions
 Chapter 4.6: Graphs of Other Trigonometric Functions
 Chapter 4.7: Inverse Trigonometric Functions
 Chapter 4.8: Applications and Models
 Chapter 5: Analytic Trigonometry
 Chapter 5.1: Using Fundamental Identities
 Chapter 5.2: Verifying Trigonometric Identities
 Chapter 5.3: Solving Trigonometric Equations
 Chapter 5.4: Sum and Difference Formulas
 Chapter 5.5: Multiple Angle and ProducttoSum Formulas
 Chapter 6: Additional Topics in Trigonometry
 Chapter 6.1: Law of Sines
 Chapter 6.2: Law of Cosines
 Chapter 6.3: Vectors in the Plane
 Chapter 6.4: Vectors and Dot Products
 Chapter 6.5: Trigonometric Form of a Complex Number
 Chapter 7: Systems of Equations and Inequalities
 Chapter 7.1: Linear and Nonlinear Systems of Equations
 Chapter 7.2: TwoVariable Linear Systems
 Chapter 7.3: Multivariable Linear Systems
 Chapter 7.4: Partial Fractions
 Chapter 7.5: Systems of Inequalities
 Chapter 7.6: Linear Programming
 Chapter 8: Matrices and Determinants
 Chapter 8.1: Matrices and Systems of Equations
 Chapter 8.2: Operations with Matrices
 Chapter 8.3: The Inverse of a Square Matrix
 Chapter 8.4: The Determinant of a Square Matrix
 Chapter 8.5: Applications of Matrices and Determinants
 Chapter 9: Sequences, Series, and Probability
 Chapter 9.1: Sequences and Series
 Chapter 9.2: Arithmetic Sequences and Partial Sums
 Chapter 9.3: Geometric Sequences and Series
 Chapter 9.4: Mathematical Induction
 Chapter 9.5: The Binomial Theorem
 Chapter 9.6: Counting Principles
 Chapter 9.7: Probability
 Chapter A.1: Real Numbers and Their Properties
 Chapter A.2: Exponents and Radicals
 Chapter A.3: Polynomials and Factoring
 Chapter A.4: Rational Expressions
 Chapter A.5: Solving Equations
 Chapter A.6: Linear Inequalities in One Variable
 Chapter A.7: Errors and the Algebra of Calculus
Precalculus 7th Edition  Solutions by Chapter
Full solutions for Precalculus  7th Edition
ISBN: 9780618643448
Precalculus  7th Edition  Solutions by Chapter
Get Full SolutionsThis textbook survival guide was created for the textbook: Precalculus, edition: 7. Precalculus was written by and is associated to the ISBN: 9780618643448. The full stepbystep solution to problem in Precalculus were answered by , our top Calculus solution expert on 03/15/18, 04:43PM. Since problems from 85 chapters in Precalculus have been answered, more than 56341 students have viewed full stepbystep answer. This expansive textbook survival guide covers the following chapters: 85.

Acceleration due to gravity
g ? 32 ft/sec2 ? 9.8 m/sec

Angle between vectors
The angle formed by two nonzero vectors sharing a common initial point

Blind experiment
An experiment in which subjects do not know if they have been given an active treatment or a placebo

Commutative properties
a + b = b + a ab = ba

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

Focal length of a parabola
The directed distance from the vertex to the focus.

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

Line graph
A graph of data in which consecutive data points are connected by line segments

Logarithmic reexpression of data
Transformation of a data set involving the natural logarithm: exponential regression, natural logarithmic regression, power regression

LRAM
A Riemann sum approximation of the area under a curve ƒ(x) from x = a to x = b using x1 as the lefthand endpoint of each subinterval

Measure of center
A measure of the typical, middle, or average value for a data set

Midpoint (on a number line)
For the line segment with endpoints a and b, a + b2

Multiplicity
The multiplicity of a zero c of a polynomial ƒ(x) of degree n > 0 is the number of times the factor (x  c) (x  z 2) Á (x  z n)

Partial fraction decomposition
See Partial fractions.

Polar distance formula
The distance between the points with polar coordinates (r1, ?1 ) and (r2, ?2 ) = 2r 12 + r 22  2r1r2 cos 1?1  ?22

Pole
See Polar coordinate system.

Product rule of logarithms
ogb 1RS2 = logb R + logb S, R > 0, S > 0,

Replication
The principle of experimental design that minimizes the effects of chance variation by repeating the experiment multiple times.

Root of a number
See Principal nth root.

Sample survey
A process for gathering data from a subset of a population, usually through direct questioning.