Real Numbers/Square Root Test Review

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What are real numbers?

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Real numbers include all the numbers on the number line, including rational numbers (like integers and fractions) and irrational numbers (like square roots of non-perfect squares).

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What is a square root?

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How do you estimate the square root of a non-perfect square?

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To estimate the square root of a non-perfect square, find the two consecutive integers between which the square root lies. For example, @@ ext{For } \\sqrt{10}, ext{ it lies between } 3 ext{ and } 4.$$

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What is the square root of 17 approximately?

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The square root of 17 is approximately 4.12, which lies between the integers 4 and 5.

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Front

What is the square root of 22 approximately?

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The square root of 22 is approximately 4.69, which lies between the integers 4 and 5.

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What does it mean if a statement is 'Always'?

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If a statement is 'Always', it means it is true in every case without exception.

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What does it mean if a statement is 'Sometimes'?

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If a statement is 'Sometimes', it means it is true in some cases but not in others.

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What does it mean if a statement is 'Never'?

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If a statement is 'Never', it means it is not true in any case.

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How do you determine if a number is a perfect square?

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