Precalculus with Limits 3rd Edition - Solutions by Chapter

A matrix whose elements are the coefficients in a system of linear equations

The function y = cos x

A degree 3 polynomial function

See Matrix element.

The function ƒ(x) = x.

A statement that compares two quantities using an inequality symbol

A relation that consists of all ordered pairs b, a for which a, b belongs to R.

Zeros of a function that are irrational numbers.

The path along which an object travels

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

Geometric representation of vector addition using the parallelogram determined by the position vectors.

The numbers (r, ?) that determine a point’s location in a polar coordinate system. The number r is the directed distance and ? is the directed angle

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

The surface created when a line is rotated about a second line that intersects but is not perpendicular to the first line.

To find all solutions of a system.

A graph in which (x, -y) is on the graph whenever (x, y) is; or a graph in which (r, -?) or (-r, ?, -?) is on the graph whenever (r, ?) is

The line segment whose endpoints are the vertices of a hyperbola.

Vector of length 1.

Usually the horizontal coordinate line in a Cartesian coordinate system with positive direction to the right,.

Usually the vertical coordinate line in a Cartesian coordinate system with positive direction up, pp. 12, 629.