Interval Notation 2

Front

What is interval notation?

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.

Front

How is the interval notation for 'x > 6 and x ≤ 10' expressed?

Back

(6, 10]

Front

What does the bracket '[' signify in interval notation?

Back

The bracket '[' indicates that the endpoint is included in the interval.

Front

What does the parenthesis '(' signify in interval notation?

Back

The parenthesis '(' indicates that the endpoint is not included in the interval.

Front

How is the interval notation for '-8 ≤ x < 8' expressed?

Back

[-8, 8)

Front

What is the interval notation for 'x < -4 or x > -8'?

Back

(-∞, -8) U (-4, ∞)

Front

What does the union symbol 'U' represent in interval notation?

Back

The union symbol 'U' represents the combination of two or more intervals.

Front

How do you express the interval for 'x is between -9 and -4, not including -9 but including -4'?

Back

(-9, -4]

Front

What is the interval notation for 'x is less than or equal to 5'?

Back

(-∞, 5]

Front

How do you represent the interval for 'x is greater than 3'?

Back

(3, ∞)