Unit 6 Review Inequalities

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What is an inequality?

Back

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

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What does the symbol '≤' mean?

Back

The symbol '≤' means 'less than or equal to'. It indicates that the value on the left is either less than or equal to the value on the right.

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Write an inequality to represent the statement: 'A number x is at least 5.'

Back

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What does the symbol '≥' mean?

Back

The symbol '≥' means 'greater than or equal to'. It indicates that the value on the left is either greater than or equal to the value on the right.

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Back

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Back

The solution set is all real numbers between -3 and 2, not including -3 and 2.

Front

Write an inequality for the following situation: 'A student must score at least 75% to pass.'

Back

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Back

It represents the situation where Ruby saves at least $200, starting with $60 and saving $5 each week.

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It means that the total number of shots (x + y) must be less than 10.