Chapter 1 Flashcards
(Variable expression)an expression that includes at least one variable
Algebraic Expression
A letter used to represent one or more numbers
Variable
An expression that represents repeated multiplication of the same factor
Power
The number or expression that is used as a factor in a repeated multiplication
Base
Represents the number of times the base is used as a factor
Exponent
Used to evaluate an expression involving more than one operation
Order of Operations
Describes a real-world situation using words as labels and using math symbols to relate to words
Verbal Modal
A fraction that compares two quantities measured in different units
Rate
Used to name a rate when the denominator of the fraction is one unit
Unit Rate
A mathematical sentence formed by placing the symbol = between two expressions
Equations
A mathematical sentence formed by placing one of the symbols or between two expressions
Inequality
An equation or an inequality that contains an algebraic expressions
Open Sentence
A number that produces a true statement when substituted for the variable in an equation
Solution of the Equation
A number that produces a true statement when substituted for the variable in an inequality
Solution of an Inequality
An equation that relates two or more quantities
Formula
Consists of: (1) a set called the domain containing numbers called inputs, and a set called the range containing numbers called outputs and (2) a pairing of inputs with outputs such that each input is paired with exactly one output
Function
The set of all inputs of a function
Domain
The set of all outputs of a function
Range
The input variable is called independent variable and represents the independent quantity
Independent Variable
The output variable is called the dependent variable and represents the dependent quantity
Dependent Variable