Holt Algebra 1 - Sr. Mai

1 holt Algebra 1 Homework and Practice 11/18/06 1:36:24 PMCopyright by holt , Rinehart and WinstonAll rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Requests for permission to make copies of any part of the work should be mailed to the following address: Permissions Department, holt , Rinehart and Winston, 10801 N. MoPac Expressway, Building 3, Austin, Texas and the Owl Design are trademarks licensed to holt , Rinehart and Winston, registered in the United States of America and/or other in the United States of AmericaIf you have received these materials as examination copies free of charge, holt , Rinehart and Winston retains title to the materials and they may not be resold.

2 Resale of examination copies is strictly of this publication in print format does not entitle users to convert this publication, or any portion of it, into electronic 0-03-046637-71 2 3 4 5 6 7 8 9 862 09 08 07 26/28/06 4:44:54 PM6/28/06 4:44:54 PMCopyright by holt , Rinehart and Winston. iii holt Algebra 1 All rights 1 .. 1 Chapter 2 .. 9 Chapter 3 .. 19 Chapter 4 .. 25 Chapter 5 .. 31 Chapter 6 .. 40 Chapter 7 .. 46 Chapter 8 .. 54 Chapter 9 .. 60 Chapter 10 .. 69 Chapter 11 .. 77 Chapter 12 .. iii6/9/06 11:03:41 AM6/9/06 11:03:41 41/18/06 1:36:24 PMCopyright by holt , Rinehart and Winston. 1 holt Algebra 1 All rights Date ClassLESSONGive two ways to write each algebraic expression in words.

3 1. 15 b 2. x ___ 16 3. x 9 4. (2)(t) 5. z 7 6. 4y 7. Sophie s math class has 6 fewer boys than girls, and there are g girls. Write an expression for the number of boys. 8. A computer printer can print 10 pages per minute. Write an expression for the number of pages the printer can print in m minutes. Evaluate each expression for r 8, s 2, and t 5. 9. st 10. r s 11. s t 12. r t 13. r s 14. t s 15. paula always withdraws 20 dollars more than she needs from the bank. a. Write an expression for the amount of money paula withdraws if she needs d dollars. b. Find the amount of money paula withdraws if she needs 20, 60, and 75 dollars. Copyright by holt , Rinehart and Winston. 1 holt Algebra 1 All rights Date ClassPractice BVariables and Expressions1-1 LESSONthe difference of 15 and bthe quotient of x and 16b less than 15x divided by 16the difference of z and 7the product of 4 and y7 less than z4 times ythe sum of x and 9the product of 2 and t9 more than x2 times t g 6 10m d 20 40 dollars; 80 dollars; 95 11/12/06 5:11:12 PM1/12/06 5:11:12 PMProcess BlackProcess BlackAdd or subtract using a number line.

4 1. 6 ( 8) 2. 2 ( 8) 3. 10 ( 4) = 4. 2 ( 6) 5. 7 7 6. 4 Add. 7. 5 23 8. 15 ( 9) 9. ( ) 10. 3 __ 8 5 11. a ( 14) for a 16 12. x for x Subtract. 13. 35 ( 80) 14. 12 ( 16) 15. 16. 2 __ 3 5 1 __ 3 17. 15 t for t 22 18. z for z 1 19. The record high temperature for Asheville, North Carolina was 99 F. The record low was 17 F. What is the difference between these two temperatures? 20. The balance in Mr. Sanchez s bank account was $ He accidentally wrote a check for $300. What is his balance now? Evaluate the expression 18 n for each value of n. 21. n 13 22. n 23. n 20 1 __ 5 Copyright by holt , Rinehart and Winston. 2 holt Algebra 1 All rights Date ClassPractice BAdding and Subtracting Real Numbers1-2 LESSON 1410640 24 2 1 __ 5 4 5 __ 8 2 637 F $ 21/12/06 5:11:02 PM1/12/06 5:11:02 PMProcess BlackProcess BlackCopyright by holt , Rinehart and Winston.

5 3 holt Algebra 1 All rights Date ClassLESSONFind the value of each expression. 1. 24 8 2. 24( 5) 3. 96 3 4. 6(20) 5. 7p for p 15 6. t ( ) for t 6 Divide. 7. 8 __ 9 2 __ 3 8. 12 6 ___ 25 9. 2 1 __ 4 5 1 __ 3 Multiply or divide. 10. 0 11. 0 10 12. 1 __ 3 0 13. When Brianna s first CD sold a million copies, her record label gave her a $5000 bonus. She split the money evenly between herself, her agent, her producer, and her stylist.

6 How much money did each person receive? 14. ( )( ) 15. 2 __ 5 5 __ 2 16. 15 ( 6) Evaluate each expression for x = 16, y = 4, and z = 2. 17. y x 18. x y 19. xz 20. z y 21. (y)(z) 22. y z 23. x z 24. x y 25. z x Copyright by holt , Rinehart and Winston. 3 holt Algebra 1 All rights Date ClassPractice BMultiplying and Dividing Real Numbers1-3 LESSON3 120 32 120105 4 1 5 __ 2 2 1 __ 2 00undefined 4 __ 3 1 1 __ 3 50 27 ___ 64 1 __ 2 82 1 __ 4 64 32$1250 1 __ 8 4 31/12/06 5:09:17 PM1/12/06 5:09:17 PMProcess BlackProcess BlackWrite the power represented by each geometric model.

7 1. 2. 3. Evaluate each expression. 4. 2 4 5. ( 3) 3 6. 2 __ 5 2 7. 3 5 8. ( 10) 4 9. 3 __ 4 2 Write each number as a power of the given base. 10. 16; base 2 11. 1,000,000; base 10 12. 216; base 6 13. 2401; base 7 14. 256; base 4 15. 8 ___ 27 ; base 2 __ 3 16. Anna needed to let everyone in the music club know the time of its next meeting. She called two people and asked each of them to call two other people, and so on. If each phone call takes one minute, how many phone calls were made during the fifth minute? Copyright by holt , Rinehart and Winston. 4 holt Algebra 1 All rights Date ClassPractice BPowers and Exponents1-4 LESSON5 7 4 ( 4) 4 2 __ 3 3 2 4 10 6 ( 6) 3 5 3 7 2 3 3 16 27 4 ___ 25 24310,000 9 ___ 16 2 5 41/12/06 5:11:25 PM1/12/06 5:11:25 PMProcess BlackProcess BlackName Date ClassLESSONFind each square root.

8 1. 144 2. 36 3. 1 ___ 49 4. 196 5. 64 6. 4 ___ 25 7. A contractor needs to cut a piece of glass to fit a square window. The area of the window is 12 ft 2 . Find the length of the side of the window to the nearest tenth of a foot. 8. A piece of cloth must be cut to exactly cover a square table. The area of the table is 27 ft 2 . Find the length of the side of the table to the nearest tenth of a foot. Write all the classifications that apply to each real number. 9. 2 10. 2 __ 3 11. 10 12. 81 13. 0 14. 1 Copyright by holt , Rinehart and Winston. 5 holt Algebra 1 All rights Date ClassPractice BSquare Roots and Real Numbers1-5 LESSON12 6 1 __ 7 14 8irrationalQ, repeating decimalZ, Q,N, W, Z, Q,terminating decimal 2 __ 5 feetterminating decimalW, Z, Q,N, W, Z, Q,terminating decimalterminating 51/12/06 5:09:27 PM1/12/06 5:09:27 PMProcess BlackProcess BlackCopyright by holt , Rinehart and Winston.

9 6 holt Algebra 1 All rights Date ClassLESSONS implify each expression. 1. 18 12 4 2 2. 5 3 2 4 3. 2 [ 7 6 3 5 ] 22 23 10 4. 7 2 4 8 5. 6 3 3 4 2 3 6. 16 4 _____ 2 13 4 9 6 2 Evaluate each expression for the given value of the variable. 7. 3 y 2 7 for y 5 8. 3 x 12 2 for x 8 15 48 9. m 6 2 5 for m 9 10. 5t 12 1 __ 2 t for t 10 5 67 Translate each word phrase into a numerical or algebraic expression. 11. the product of 6 and the sum of 3 and 20 6 3 20 12.

10 The absolute value of the difference of m and 15 m 15 13. the quotient of 18 and the sum of 2 and d 18 _____ 2 d Degrees Fahrenheit F can be converted to degrees Celsius C using the expression 5 __ 9 F 32 . Degrees Celsius can be converted to degrees Fahrenheit using the expression 9 __ 5 C 32. 14. The hottest recorded day in Florida history was 109 F, which occurred on June 29, 1931 in Monticello. Convert this temperature to degrees Celsius. Round your answer to the nearest tenth of a degree. C 15. The coldest recorded day in Florida history was about C, which occurred on February 13, 1899 in the city of Tallahassee. Convert this temperature to degrees Fahrenheit. Round your answer to the nearest tenth of a degree. F 1-6 Practice BOrder of 61/12/06 5:09:40 PM1/12/06 5:09:40 PMProcess BlackProcess BlackCopyright by holt , Rinehart and Winston.