Ch. 1 Writing Inequalities from Word Problems Practice

Front

What does the inequality symbol '≥' represent?

Back

It means 'greater than or equal to'. It indicates that a value can be either greater than or equal to another value.

Front

What does the inequality symbol '≤' represent?

Back

It means 'less than or equal to'. It indicates that a value can be either less than or equal to another value.

Front

In the context of word problems, what does 'no more than' imply when writing an inequality?

Back

It implies the use of the '≤' symbol, indicating that the value cannot exceed a certain limit.

Front

In the context of word problems, what does 'at least' imply when writing an inequality?

Back

It implies the use of the '≥' symbol, indicating that the value must be equal to or greater than a certain limit.

Front

If a person must be 12 years old or younger to order from the kid's menu, what inequality represents this situation?

Back

k ≤ 12, where k is the person's age.

Front

If Joan needs $100 and earns $5 per hour babysitting, which inequality represents her earnings?

Back

5h ≥ 100, where h is the number of hours she babysits.

Front

What is the total cost of hiring a DJ for 3 hours if the DJ charges $125 per hour and $55 for an assistant?

Back

Total cost = 125h + 55, where h is the number of hours.

Front

If the dance committee wants to keep the total cost under $600, which inequality would represent this?

Back

125h + 55 < 600, where h is the number of hours the DJ is hired.

Front

What does the phrase 'less than' indicate when writing an inequality?

Back

It indicates the use of the '<' symbol, meaning one value is smaller than another.

Front

What does the phrase 'greater than' indicate when writing an inequality?

Back

It indicates the use of the '>' symbol, meaning one value is larger than another.