Topic 4 Test Review

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or equal to the other.

Front

Write an inequality for the situation: The distance, d, is at least 110 miles.

Back

d ≥ 110

Front

What does the symbol '≥' mean in an inequality?

Back

'≥' means 'greater than or equal to'.

Front

What does the symbol '≤' mean in an inequality?

Back

'≤' means 'less than or equal to'.

Front

Back

x = 42.77

Front

What is an independent variable?

Back

An independent variable is a variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What is a dependent variable?

Back

A dependent variable is a variable that is measured and affected in an experiment.

Front

Write an inequality for the situation: There are no more than 18 students in the hall.

Back

s ≤ 18

Front

What does the symbol '>' mean in an inequality?

Back

'>' means 'greater than'.

Front

What does the symbol '<' mean in an inequality?

Back

'<' means 'less than'.