7.PFA.4 Inequalities TEST

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What is an inequality?

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

Tags

CCSS.6.EE.B.8

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What does the symbol '≤' mean?

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The symbol '≤' means 'less than or equal to'. It indicates that one value is either less than or equal to another value.

Tags

CCSS.6.EE.B.8

Front

What does the symbol '≥' mean?

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The symbol '≥' means 'greater than or equal to'. It indicates that one value is either greater than or equal to another value.

Tags

CCSS.6.EE.B.8

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When do you flip the inequality sign?

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You flip the inequality sign when you multiply or divide both sides of the inequality by a negative number.

Tags

CCSS.6.EE.B.8

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CCSS.7.EE.B.4B

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You draw a number line, place a closed circle on 4, and shade to the left to indicate all numbers less than or equal to 4.

Tags

CCSS.6.EE.B.8

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Back

Tags

CCSS.6.EE.B.8

Front

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It means that x can be any number less than 10.

Tags

CCSS.6.EE.B.8

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CCSS.7.EE.B.4B

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It means that the number of people, x, cannot exceed 400.

Tags

CCSS.6.EE.B.8