1.2.2 Inequalities and Interval Notation Flashcards
1
Q
Interval
A
The range of values on the number line that are possible solutions for x in a particular problem
2
Q
( or o
A
On a number line, either of these indicates a boundary that x cannot equal
3
Q
[ or •
A
On a number line, either of these indicates a boundary that x can equa
4
Q
Interval Notation
A
Two numbers enclosed by a parentheses, brackets, or one of each, indicating the range of possible
solutions for x
5
Q
Infinity
A
The symbols ∞ and -∞, called positive and negative infinity, are not numbers. They are just symbols that indicate that the number line never ends in either the positive or negative direction
