Precalculus: Mathematics for Calculus (Standalone Book) 7th Edition - Solutions by Chapter

A triangle in which all angles measure less than 90°

The real number multiplied by the variable(s) in a polynomial term

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

The gathering and processing of numerical information

The area of ¢ABC with semiperimeter s is given by 2s1s - a21s - b21s - c2.

A quadratic polynomial with real coefficients that cannot be factored using real coefficients.

The final digit of a number in a stemplot.

A value ƒ(c) is a local maximum of ƒ if there is an open interval I containing c such that ƒ(x) < ƒ(c) for all values of x in I

The diagonal from the top left to the bottom right of a square matrix

Angle measure equal to 1/60 of a degree.

The graph of ƒ(x) = e-x2/2

A procedure for fitting a curve y = a . x b to a set of data.

The matrix in which each entry is obtained by multiplying the entries of a row of A by the corresponding entries of a column of B and then adding

Theorem In a right triangle with sides a and b and hypotenuse c, c2 = a2 + b2

The graph in three dimensions of a seconddegree equation in three variables.

A logarithmic scale used in measuring the intensity of an earthquake.

A square matrix with zero determinant

Methods for solving systems of linear equations.

<u1, u2> + <v1, v2> = <u1 + v1, u2 + v2> <u1 + v1, u2 + v2, u3 + v3>

For real numbers a and b, exactly one of the following is true: a < b, a = b , or a > b.