Algebra and Real Numbers
Ace your homework & exams now with Quizwiz!
|a|, 0
The absolute value of a real number, a, is denoted by and is the distance between a and on the number line.
5 is not equal to 6
The statement 5 ≠ 6 is read as
a is less than b
The statement a < b is read as
c is greater than or equal to d
The statement c ≥ d is read as
Inequalities
The statements a < b, a > b, and a ≠ b are examples of
Opposites
Two numbers that are the same distance from 0 but on opposite sides of 0 on the number line
Constant
Values that do not vary
Variable
a symbol or letter used to represent an unknown number.
Set
a well-defined collection of elements