What is interval notation?
Interval Notation

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•
Mathematics
•
12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Interval notation is a mathematical notation used to represent a range of values on the number line, using parentheses and brackets to indicate whether endpoints are included or excluded.
2.
FLASHCARD QUESTION
Front
How is the interval notation for x ≤ 10 expressed?
Back
The interval notation for x ≤ 10 is expressed as (-∞, 10].
3.
FLASHCARD QUESTION
Front
Convert the inequality -1 < x < 4 into interval notation.
Back
The interval notation for -1 < x < 4 is (-1, 4).
4.
FLASHCARD QUESTION
Front
What inequality corresponds to the interval notation [2, 4]?
Back
The inequality corresponding to the interval notation [2, 4] is 2 ≤ x ≤ 4.
5.
FLASHCARD QUESTION
Front
How do you express the inequality a ≥ 11 in interval notation?
Back
The interval notation for a ≥ 11 is [11, ∞).
6.
FLASHCARD QUESTION
Front
What is the interval notation for x < 8?
Back
The interval notation for x < 8 is (-∞, 8).
7.
FLASHCARD QUESTION
Front
What do parentheses indicate in interval notation?
Back
Parentheses indicate that the endpoint is not included in the interval.
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