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Grade 8 McGraw Hill Glencoe - Answer Keys
Chapter 1 - Real Numbers; Lesson 8: Roots
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Persevere with Problems Given the area of each square, find the perimeter.
H.O.T. Problems H igher O rder T hinking
Persevere with Problems Find each value.
Question 22
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Reason Abstractly Based on your solutions to Exercises 18-21, write a rule that could be used to simplify the square of any square root of a number.
Question 23
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Reason Inductively Explain why \(\sqrt{-4}\) is not a real number, but \(\sqrt[3]{-8}\) is.
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Question 24
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Reason Inductively Describe the difference between an exact value and an approximation when finding square roots of numbers that are not perfect squares. Give an example of each.
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