Wirtz Math Finance Chapter 4 Lesson 2

Term Definition promissory note (p181) An agreement which states the conditions of a loan; a borrower's signature confirms a promise to pay back the loan as outlined in the agreement. principal (p131, 181) The balance, or amount of money, in an account, or amount borrowed. annual percentage rate – APR (p143, 181, 201) The interest …

Wirtz Math Finance Chapter 4 Lesson 3

Term Definition monthly payment calculator (p187) A way to calculate information about the balance over the lifetime of the loan and on a monthly or yearly basis. natural logarithm (p189) An exponent of the power to which a base number must be raised to equal a given number. cubic function (p190) A function or equation …

Wirtz Math Finance Chapter 5 Lesson 2

Term Definition statistics (p224) Mathematics that deals with the collection, analysis, and interpretation of numerical facts or data data (p64, 224) A set of numbers. measures of central tendency (p224) Single numbers, such as the mean, median, mode, designed to represent a "typical" value for the data. mean (p196, 225) Often referred to as average; …

Wirtz Math Finance Chapter 5 Lesson 3

Term Definition frequency distribution (p232) A table or chart that gives each piece of data in the set and the frequency, or the number of times that it appears in the data set frequency (p232) The number of times a particular piece of data appears in a set. stem-and-leaf plot (p233) A type of graph …

Wirtz Intermediate Algebra Red Chapter 1 Lesson 1

Term Definition Value of the variable (red p1) The numbers that can be represented by the variable Variable expression (red p1) An expression that contains a variable Value of the expression (red p1) The number named by the expression Numerical expression (red p1) An expression that names a particular number Simplify an expression (red p2) …

Wirtz Intermediate Algebra Red Chapter 1 Lesson 3

Term Definition equation (red p10) A statement formed by placing an equal sign between two numerical or variable expressions. sides of an equation (red p10) THE two expressions joined by the equal sign. open sentence (red p10) A sentence containing one or more variables. domain of a variable (red p10) The given set of numbers …

Wirtz Intermediate Algebra Red Chapter 1 Lesson 8

Term Definition origin (red p31) The zero point on a number or the intersection of the axes on a coordinate plane. positive side (red p31) On a horizontal number line, the side to the right of the origin. negative side (red p31) On a horizontal number line, the side to the left of the origin. …

Wirtz Algebra II Chapter 1 Lesson 2

Term Definition transformations An operation that maps or moves the points of a figure in a plane. simplification the process of rewriting an expression in a form that is easier to work with. inequality a relation that holds between two values when they are different. number line a straight line with a "zero" point in …

Wirtz Algebra II Chapter 1 Lesson 3

Term Definition slope a number that describes both the direction and the steepness of the line y-intercept the point where the graph of the line crosses the y-axis slope-intercept form the equation of a straight line in the form y = mx + b where m is the slope of the line and b is …

Wirtz Algebra II Chapter 1 Lesson 5

Term Definition basic function y = x dilation a transformation of a figure in which the figure stretches or shrinks with respect to a fixed point reflection a transformation in which a figure is flipped. line of reflection the given line in which a figure is flipped.