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NAME: _________________________________________________ Quiz 1: Rational and Irrational Numbers (50 points) For problems 1 – 9, circle the best answer. (4 points each) 1. Which square root is an irrational number? A. √10 C. −√4 2. 3. 4. 5. B. −√9 D. √1 Which set shows three equivalent representations of the same number? A. B. C. D. Between which two numbers is √2 ? A. 1.0 and 1.5 C. 2 and 2.5 B. 1.5 and 2 D. 2.5 and 3 Which set contains only rational numbers? A. B. C. D. Which fraction converts to a non-terminating decimal? 3 7 B. 7 A. 10,000 C. 1 2 D. 5 8 6. The number -4 belongs to which set? A. Rational Numbers C. Rational and Integer B. Integers D. Rational, Integer, and Whole Numbers 7. ___________ can be expressed as fractions, decimals that terminate or repeat, or integers. B. Rational Numbers A. Irrational Numbers D. Natural Numbers C. Integer 8. Which number is a non-terminating/non-repeating decimal? B. 9.089 A. 1.62626262… 3 D. C. √5 2 9. What is the smallest whole number? A. -1 C. 0.5 B. 1 D. 0 SHORT ANSWER (14 points) Give your answer in the space provided. 10. Classify the following numbers as rational or irrational using the chart below. 0.9 1 5 -6 Rational √3 𝜋 - 1 9 .̅̅̅̅̅ 63 0.12357… Irrational 0