Study Guide | Definitions, Rules, and Solved
Concepts
A letter that represents a variety of different numbers is called a________________. -
Variable
A combination of numbers , letters that represent numbers, and operation symbols is called
an_________. - Algebraic Expression
If n is a counting number, b^n, read B to the nth power, indicates that there are n factors of b.
The number b is called the ________ and the number n is called the ______________. - Base
Exponent
A statement that expresses a relationship between two or more variables, such as C=5/9(F-32)
is called a _______. - Formula
The set of {1,2,3,4,5} is called the set of ____________. - Natural Numbers
The set {0,1,2,3,4,5) is called the set of _____________. - Whole numbers
The set {......,-4,-3,-2,-1,0,1,2,3,4......} is called the set of ___________> - Integers
The set of numbers in the form a/b, where a and b belong to the set in statement 7 above b =0,
is called the ______. - Rational numbers
The set of numbers whose decimal representations are neither terminating nor repeating is
called the set of - Irrational Numbers
Every real number is either a________ number or a _________. - Rational
Irrational
The notation 2 < 5 means that the 2 is to the _____of 5 on a number line. - Left
In interval notation, (-2, infinite) represents the set of real numbers _____ ______ -2. - Greater
Than
In interval notation [2,5) represents the set of real numbers between ____ and ___, including
_____, but not including ______. - 2 and 5
2 and 5