Name: ______________________ Period: _________ Date: _________ 3.6 Review Simplify the expression. 8. a. –8 22 b. –66 c. 8 22 d. 66 1. 2. a. b. c. d. 3. 9. = 59 a. b. c. d. a. 10. Solve the equation. b. 11. Solve the equation. c. 12. Solve the equation. d. 13. Solve the equation. Round the solutions to two decimal places. Solve for x. 4. a. b. c. d. Solve. 5. 14. Solve the equation. Round the solutions to two decimal places. 15. Solve the equation and write the answer to two decimal places. 16. The height, h (in feet), of a falling object on Mars is given by , where t is the time in seconds and h is the initial height in feet. If an object were dropped from a height of 125 feet, how long would it take to reach the ground? (Round to two decimal places.) 6. a. no real-number solution b. c. d. 7. 17. Simplify . 3.6 Review Answer Section 1. ANS: 2. 3. 4. 5. PTS: TOP: KEY: ANS: TOP: KEY: ANS: TOP: KEY: ANS: TOP: KEY: NOT: ANS: PTS: TOP: KEY: 6. ANS: TOP: KEY: 7. ANS: –9 1 DIF: Level B REF: MAL20601 Lesson 4.5 Solve Quadratic Equations by Finding Square Roots simplify | square root BLM: Knowledge NOT: A PTS: 1 DIF: Level B REF: Lesson 4.5 Solve Quadratic Equations by Finding Square Roots radical | root | property | product BLM: Knowledge NOT: C PTS: 1 DIF: Level B REF: Lesson 4.5 Solve Quadratic Equations by Finding Square Roots quadratic | factor | rational | root BLM: Knowledge NOT: D PTS: 1 DIF: Level A REF: Lesson 4.5 Solve Quadratic Equations by Finding Square Roots solve | square | square root | variable | divide BLM: 978-0-618-65615-8 978-0-618-65615-8 MAL20602 978-0-618-65615-8 MAL20603 978-0-618-65615-8 MAL20605 Knowledge 1 DIF: Level B REF: MAL20606 Lesson 4.5 Solve Quadratic Equations by Finding Square Roots equation | quadratic BLM: Knowledge NOT: 978-0-618-65615-8 D PTS: 1 DIF: Level B REF: MAL20607 Lesson 4.5 Solve Quadratic Equations by Finding Square Roots equation | quadratic | square root BLM: Knowledge NOT: 978-0-618-65615-8 21 PTS: TOP: KEY: 8. ANS: TOP: KEY: 9. ANS: TOP: KEY: 10. ANS: 1 DIF: Level B REF: MAL20615 Lesson 4.5 Solve Quadratic Equations by Finding Square Roots solve | quadratic BLM: Knowledge NOT: C PTS: 1 DIF: Level B REF: Lesson 4.5 Solve Quadratic Equations by Finding Square Roots solve | quadratic BLM: Knowledge NOT: D PTS: 1 DIF: Level B REF: Lesson 4.5 Solve Quadratic Equations by Finding Square Roots solve | quadratic BLM: Knowledge NOT: PTS: TOP: KEY: NOT: 11. ANS: 1 DIF: Level B REF: MAL20608 Lesson 4.5 Solve Quadratic Equations by Finding Square Roots equation | quadratic equation | solve BLM: Knowledge 978-0-618-65615-8 978-0-618-65615-8 MAL20616 978-0-618-65615-8 MAL20619 978-0-618-65615-8 PTS: 1 DIF: Level B REF: MAL20609 TOP: Lesson 4.5 Solve Quadratic Equations by Finding Square Roots KEY: square root | variable | solve BLM: Knowledge NOT: 978-0-618-65615-8 12. ANS: PTS: 1 DIF: Level B REF: MAL20610 TOP: Lesson 4.5 Solve Quadratic Equations by Finding Square Roots KEY: solve | square root | variable BLM: Knowledge NOT: 978-0-618-65615-8 13. ANS: PTS: 1 DIF: Level B REF: MAL20611 TOP: Lesson 4.5 Solve Quadratic Equations by Finding Square Roots KEY: square root | variable | solve BLM: Knowledge NOT: 978-0-618-65615-8 14. ANS: PTS: 1 DIF: Level B REF: MAL20612 TOP: Lesson 4.5 Solve Quadratic Equations by Finding Square Roots KEY: solve | square root | variable BLM: Knowledge NOT: 978-0-618-65615-8 15. ANS: PTS: 1 DIF: Level B REF: MAL20613 TOP: Lesson 4.5 Solve Quadratic Equations by Finding Square Roots KEY: variable | factor | solve | fraction | trinomial BLM: Knowledge NOT: 978-0-618-65615-8 16. ANS: 4.56 seconds PTS: TOP: KEY: NOT: 17. ANS: 1 DIF: Level B REF: MAL20621 Lesson 4.5 Solve Quadratic Equations by Finding Square Roots square root | divide | height | falling object | solve BLM: Application 978-0-618-65615-8 PTS: TOP: KEY: NOT: 1 DIF: Level B REF: A2.04.05.FR.25 Lesson 4.5 Solve Quadratic Equations by Finding Square Roots Free Response | square root | fraction | conjugate BLM: Knowledge 978-0-618-65615-8