66 Chapter 1 The Set of Real Numbers For additional exercises, see Classroom Activities 1.2A–1.2C in Study Skills Exercise the Student’s Resource Manual at www.mhhe.com/moh. Sometimes you may run into a problem with homework or you find that you are having trouble keeping up with the pace of the class. A tutor can be a good resource. a. Does your college offer tutoring? b. Is it free? c. Where would you go to sign up for a tutor? exponent power 7 9 e4, 5.6, 129, 0, p, 4.02, 056 0 56 09.2 0 9.2 014 0 14 00 0 19 34.2 34.2 10 10 10 10 10 10 a a a b b 106 a3b2 1 a1 6b4 7x2y2 15c25 3wz4 Section 1.2 Practice Exercises quotient sum base 82 p4 radical order of operations square product difference Vocabulary and Key Concepts 1. a. Fill in the blanks with the words sum, difference, product, or quotient. The of 10 and 2 is 5. The of 10 and 2 is 20. The of 10 and 2 is 12. The of 10 and 2 is 8. b. In the expression bn, the value b is called the and n is called the or . c. The expression is read as “eight, squared.” d. The expression is read as “p to the fourth power.” e. The symbol is called a sign and is used to find the principal root of a nonnegative real number. f. The set of rules that tell us the order in which to perform operations to simplify an algebraic expression is called the . Review Exercises 2. Which of the following are rational numbers? 3. Evaluate. 4. Evaluate. 5. Evaluate. 6. Evaluate. 0 7. Find the opposite of 19. 8. Find the opposite of . Concept 1: Exponential Expressions For Exercises 9–14, write each of the products using exponents. 1 6 1 6 1 6 1 6 9. 10. 11. 12. 13. 14. 15. a. For the expression what is the base for the exponent 3? 7 x x y y 5c 5c 5c 5c 5c 3 w z z z z 5x3, x b. Does 5 have an exponent? If so, what is it? Yes, 1 2y4, y 16. a. For the expression what is the base for the exponent 4? b. Does 2 have an exponent? If so, what is it? Yes, 1 4, 5.6, 0, 4.02, 7 9 f Writing Translating Expression Geometry Scientific Calculator Video
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