Flashcardizz Review Day 3

Front

What is set-builder notation?

Back

Set-builder notation is a mathematical notation for describing a set by stating the properties that its members must satisfy.

Front

How do you express the set of numbers less than or equal to 5 in set-builder notation?

Back

{x | x ≤ 5}

Front

How do you express the set of numbers greater than or equal to 14 in set-builder notation?

Back

{x | x ≥ 14}

Front

What is the correct set-builder notation for the interval (−∞, 5] or [14, ∞)?

Back

{x | x ≤ 5 or x ≥ 14}

Front

How do you express the set of numbers between 22 and 98, not including 22 but including 98, in set-builder notation?

Back

{x | 22 < x ≤ 98}

Front

What does the symbol '≤' mean in mathematics?

Back

The symbol '≤' means 'less than or equal to'.

Front

What does the symbol '≥' mean in mathematics?

Back

The symbol '≥' means 'greater than or equal to'.

Front

What is the difference between open and closed intervals?

Back

Open intervals do not include their endpoints, while closed intervals do include their endpoints.

Front

How would you write the set of all real numbers greater than 14 in set-builder notation?

Back

{x | x > 14}

Front

What is the set-builder notation for the interval [22, 98)?

Back

{x | 22 ≤ x < 98}