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Algebra 2

Algebra 2. Practice Item Guide April 2012 18 questions. NEW Directions for logging into TestNav. You must be on a Broad Run Computer . Login: SOL Password: SOL Domain: Elem Start – Programs Choose – subject & test to practice. TECHNOLOGY-ENHANCED ITEM TYPES.

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Algebra 2

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  1. Algebra 2 Practice Item Guide April 2012 18 questions

  2. NEW Directions for logging into TestNav • You must be on a Broad Run Computer. • Login: SOL • Password: SOL • Domain: Elem • Start – Programs • Choose – subject & test to practice

  3. TECHNOLOGY-ENHANCED ITEM TYPES

  4. TECHNOLOGY-ENHANCED ITEM TYPES

  5. TECHNOLOGY-ENHANCED ITEM TYPES

  6. 81

  7. 1.

  8. 1.

  9. 2.

  10. 2.

  11. 3.

  12. 3. HINT: Graph & compare. (Remember parenthesis!)

  13. 4.

  14. 4. HINT: Graph! (Remember parenthesis!)

  15. 5.

  16. 5. HINT: Graph! (Remember parenthesis!)

  17. 6.

  18. 6. HINT: Stat-Edit (Enter data). Stat-Plot (determine shape). Stat-Calc  pick matching regression type.

  19. 7.

  20. 7. HINT: Multi-step! N = 968 x-bar = 108 sigma = 11 x = 125 P(z>1.55) = 1 - .9394 (table lookup) = .0606 Final answer is probability times #data points = 968 * .0606 = 58.66

  21. 8.

  22. 8. HINT: Distributive – you distributed Commutative – you Changed Order Associative – you associated the middle # with the last #

  23. 9.

  24. 9. 47 HINT: Use logic! a1 = 8 a2 = 2(8) + 5 = 21 a3 = 2(21) + 5 = 47

  25. 10.

  26. 10. HINT: Find graph with same y-value (range!). Graph & compare!

  27. 11.

  28. 11. HINT: Think of the question as: Describe the x-values (intervals) where the graph is going up. Then just graph and look!

  29. 12.

  30. 12. HINT: Graph and look! Think “HOY VUX”. Horizontal (HOY): y = 4 Vertical (VUX): x = 3

  31. 13.

  32. 13. HINT: Committees = Combinations! 3C1 * 7C2 = 63

  33. 14.

  34. 14. HINT: Same logic as #11. Think of the question as: Describe the x-values (intervals) where the graph is going up. Then just graph and look!

  35. 15.

  36. 15. HINT: Must find the % of data first. 23750/50000 = .475 = 47.5% Empirical rule: Pick the 2 sections to the right (or left) of the mean.

  37. 16.

  38. 16. HINT: Zeros = x-intercepts! Graph. 2nd Calc  zero x = 2.5

  39. 17.

  40. 17. HINT: Graph!

  41. 18.

  42. 18. HINT: Substitute. 5x -4(x2-x-6) – 11 = 0 Distribute, factor, set factors to zero. OR graph y = 5x -4(x2-x-6) – 11 and find x-intercepts once you are already equal to zero!

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