Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Chapter 2 Test – Rational Numbers (Version A) Name _____________________ For the questions 1-3, write an algebraic expression. 1. Twice the quantity of a number plus nine. 2. 4 less than twice a number 3. 7 more than 4 times a number. Simplify the following numerical expressions. SHOW ALL WORK!!! – That means all of the steps! 4. 12 ( 3) 7. 2 6 3 10. 12 3 104 5 2 5. 18 3 6. 2 4 8. (4 7) (9 2) 9. ( 6)2 ( 9) 11. 1 9 2 10 3 1 12. 2 3 4 3 Evaluate each expression. SHOW ALL WORK!!! – That means all of the steps! 13. 2d 3 for d 9 5 15. 4 2y for y =9 14. x y for x 5.4 and y 2 16. b c for b 2 4 ,c 5 3 Simplify each expression. SHOW ALL WORK!!! – That means all of the steps! 17. 2 x 2 y 3x 4 y 18. 22a 3 1 (4 x 8) 3 x 4 20. 8 23x 5 19. 21. 1.7m2 6.5n 4n 2.5m2 n 22. Bonus: Explain why 3 3 2 2