Algebra Chapter 2 Study Guide

Name: ______________________ID: A8. −448 = 64q9.n54 = 4 910.5d = 99 1011. 2x + 7 = 7912.a−7 − 7 = 5Write an equation and solve each problem.13. Fifty-six is twelve added to four times a number. What is the number?14. Find four consecutive odd integers with a sum of –32.Solve the equation. Then check your solution.15. −7m + 20 = −17m − 1016.45 k – 5 = –7 + 2 5 k2

Name: ______________________ID: A17. 6 = −2 ( 10n + 7)Solve the proportion. If necessary, round to the nearest hundredth.18.104= 13b 10State whether the percent of change is a percent of increase or a percent of decrease. Then find the percent ofchange. Round to the nearest whole percent.19. original: 30new: 10Find the discounted price of the item.20. DVD: $19.95discount: 20%Solve the equation or formula for the variable specified.21. df + 10h = 3 for d22. 3qr + 9t = 7u for r3

ID: AAlgebra Chapter 2 Study GuideAnswer SectionMULTIPLE CHOICE1. ANS: B REF: Lesson 2-6SHORT ANSWER2. ANS:1p + 38 = 2p5REF: Lesson 2-13. ANS:5x 3 − 2x 2 = 18REF: Lesson 2-14. ANS:Five more than the product of two and v minus three is equal to w divided by four.REF: Lesson 2-15. ANS:1 110REF: Lesson 2-26. ANS:18REF: Lesson 2-27. ANS:70REF: Lesson 2-38. ANS:–7REF: Lesson 2-39. ANS:24REF: Lesson 2-31

ID: A10. ANS:1 3150REF: Lesson 2-311. ANS:36REF: Lesson 2-412. ANS:–84REF: Lesson 2-413. ANS:56 = 12 + 4n; 11REF: Lesson 2-414. ANS:x + ( x + 2) + ( x + 4) + ( x + 6) = −32; –11, –9, –7, –5REF: Lesson 2-415. ANS:–3REF: Lesson 2-516. ANS:−5REF: Lesson 2-517. ANS:–1REF: Lesson 2-518. ANS:80REF: Lesson 2-619. ANS:decrease; 67%REF: Lesson 2-720. ANS:$15.96REF: Lesson 2-72