MVP Module 4 Review

Front

What is interval notation?

Back

Interval notation is a way of representing a range of numbers using parentheses and brackets. Parentheses indicate that the endpoint is not included, while brackets indicate that it is included.

Front

How do you write the interval for x such that -4 ≤ x < -1 in interval notation?

Back

[-4, -1) is the interval notation for x such that -4 is included and -1 is not.

Front

What is the interval notation for x < 8?

Back

(-∞, 8) represents all numbers less than 8.

Front

Is x = 9 a solution to the inequality x > 9?

Back

No, because 9 is not greater than 9.

Front

What does the symbol '>' represent in inequalities?

Back

'>' means 'greater than'.

Front

What does the symbol '<' represent in inequalities?

Back

'<'' means 'less than'.

Front

What does the symbol '≥' represent in inequalities?

Back

'≥' means 'greater than or equal to'.

Front

What does the symbol '≤' represent in inequalities?

Back

'≤' means 'less than or equal to'.

Front

How would you express the inequality x ≥ 5 in interval notation?

Back

[5, ∞) represents all numbers greater than or equal to 5.

Front

What is the difference between open and closed intervals?

Back

Open intervals use parentheses and do not include endpoints, while closed intervals use brackets and include endpoints.