Writing Inequalities from Word Problems

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using symbols such as <, >, ≤, or ≥.

Front

What does the symbol '≥' mean?

Back

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

Front

How do you write an inequality for 'a student must be at least 15 years old'?

Back

a ≥ 15

Front

What does the phrase 'no more than' indicate in an inequality?

Back

'No more than' indicates a maximum limit, represented by '≤'.

Front

How do you express 'four times a number increased by 7 is at least 19' as an inequality?

Back

4x + 7 ≥ 19

Front

What does the phrase 'at least' signify in an inequality?

Back

'At least' signifies a minimum value, represented by '≥'.

Front

How do you write an inequality for 'Daniel can spend no more than $40'?

Back

1.50x + 10 ≤ 40

Front

What does the symbol '<' mean?

Back

The symbol '<' means 'less than'.

Front

How do you express 'a student volunteers no less than 5 hours each week' as an inequality?

Back

h ≥ 5

Front

What does the phrase 'minimum amount' indicate in an inequality?

Back

'Minimum amount' indicates a lower limit, represented by '≥'.