2021 - 8th Grade Unit Test 1 Review (Real Numbers / Equation

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What are real numbers?

Back

Real numbers include all the numbers on the number line, including rational numbers (like integers and fractions) and irrational numbers (like √2 and π).

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Define rational numbers.

Back

Rational numbers are numbers that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

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What are irrational numbers?

Back

Irrational numbers are numbers that cannot be expressed as a simple fraction; they have non-repeating, non-terminating decimal expansions.

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What does a Venn diagram represent in mathematics?

Back

A Venn diagram visually represents the relationships between different sets, showing how they overlap and differ.

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What is the square root of 5.4?

Back

The square root of 5.4 is approximately 2.32.

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What is the square root of 29.5?

Back

The square root of 29.5 is approximately 5.43.

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What is the square root of 35.5?

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The square root of 35.5 is approximately 5.96.