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Algebra II G Review for Test 1 Lessons 1-1 through 1-4 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Suppose r = –2, d = –8, and e = 1.Which expression 4. Which data set has mean 6.92? equals –17? a. 5.1, 8.3, 4.1, 6.4, 9.5 b. 5.4, 7.7, 9.3, 4.2, 7.1 a. 2r + 2d + 3e b. –8r + 3d + 2e c. 3r + 4d + 4e c. 9.4, 8.1, 4.5, 6.6, 9.6 d. 6.1, 7.5, 7.3, 8.8, 4.9 d. 7r + 2d + 3e 5. An irrational number can ________ be expressed as 2. Which data set has mode 10? a quotient of integers. a. 14, 2, 37, 14, 10, 28 b. 12, 7, 11, 29, 10, 12 a. always b. sometimes c. never c. 5, 10, 33, 33, 10, 10 d. 4, 18, 11, 17, 10, 11 6. If a = b, then a – c ____ equals b – c. 3. Which data set has median 47? a. always b. sometimes c. never a. 32, –3, 19, 8, 22 b. 37, 51, 55, 47, 27 c. 39, 7. A set of data ____ has one and only one mode. 30, 15, 21, 43 d. 14, 19, 3, –7, 27 a. always b. sometimes c. never Short Answer 17. Solve bx + cy = d for x. Simplify. 18. Evaluate y = (x + 2)(x – 5) for x = 6. 8. 19. Evaluate 9. –2 + (–3) for r = 9 and h = 15. Solve the equation. 10. 20. 11. 21. Divide. 22. 12. 23. 13. 24. 14. Solve the proportion 15. If 16. Solve . 25. To which sets of numbers does the number belong? , what are n and p? for Q. 27. –17 Find the opposite and the reciprocal of the number. 26. 31. Name the property of real numbers illustrated by the equation. 28. 500 29. 3 30. –1.74 32. Simplify by combining like terms. 33. 38. 34. 39. 35. –6 6 = 0 Solve the equation or formula for the indicated variable. 36. –2.5 0 = –2.5 Evaluate the expression for the given value of the variable(s). 37. ; , 40. , for t 41. , for U Find the mean, median, and mode of the data set. Round to the nearest tenth. 42. 15, 13, 9, 9, 7, 1, 11, 10, 13, 1, 13 43. test scores on a math exam: 88, 89, 65, 62, 83, 63, 84, 63, 74, 64, 71, 82, 66, 88, 79, 60, 86, 63, 93, 99, 60, 85 Make a box-and-whisker plot of the data. 44. 24, 18, 29, 21, 16, 23, 13, 11 45. average daily temperatures in Tucson, Arizona, in December: 67, 57, 52, 51, 64, 58, 67, 58, 55, 59, 66, 50, 57, 62, 58, 50, 58, 50, 60, 63 Algebra II G Review for Test 1 Lessons 1-1 through 1-4 Answer Section MULTIPLE CHOICE 1. ANS: TOP: 2. ANS: TOP: 3. ANS: TOP: 4. ANS: TOP: 5. ANS: TOP: 6. ANS: 7. ANS: A OBJ: Simplifying Expressions With Integers Skills Handbook: Simplifying Expressions With Integers C OBJ: Descriptive Statistics and Histograms Skills Handbook: Descriptive Statistics and Histograms B OBJ: Descriptive Statistics and Histograms Skills Handbook: Descriptive Statistics and Histograms D OBJ: Descriptive Statistics and Histograms Skills Handbook: Descriptive Statistics and Histograms C OBJ: 1-1.1 Graphing and Ordering Real Numbers 1-1 Example 1 A OBJ: 1-3.1 Solving Equations B OBJ: 12-3.1 Measures of Central Tendency SHORT ANSWER 8. ANS: 25 24 OBJ: Operations With Fractions 9. ANS: –5 TOP: Skills Handbook: Operations with Fractions OBJ: Simplifying Expressions With Integers TOP: Skills Handbook: Simplifying Expressions With Integers 10. ANS: 32 OBJ: Simplifying Expressions With Integers TOP: Skills Handbook: Simplifying Expressions With Integers 11. ANS: –5 OBJ: Simplifying Expressions With Integers TOP: Skills Handbook: Simplifying Expressions With Integers 12. ANS: 4 3 OBJ: Operations With Fractions 13. ANS: 1 3 TOP: Skills Handbook: Operations With Fractions OBJ: Operations With Fractions 14. ANS: 25 TOP: Skills Handbook: Operations With Fractions OBJ: Ratios and Proportions 15. ANS: 45, 48 TOP: Skills Handbook: Ratios and Proportions OBJ: Ratios and Proportions 16. ANS: TOP: Skills Handbook: Ratios and Proportions OBJ: Evaluating Formulas and Solving Literal Equations TOP: Skills Handbook: Evaluating Formulas and Solving Literal Equations 17. ANS: OBJ: Evaluating Formulas and Solving Literal Equations TOP: Skills Handbook: Evaluating Formulas and Solving Literal Equations 18. ANS: 8 OBJ: Evaluating Formulas and Solving Literal Equations TOP: Skills Handbook: Evaluating Formulas and Solving Literal Equations 19. ANS: 3,817.04 OBJ: Evaluating Formulas and Solving Literal Equations TOP: Skills Handbook: Evaluating Formulas and Solving Literal Equations 20. ANS: –8 OBJ: Solving Linear Equations and Inequalities TOP: Skills Handbook: Solving Linear Equations and Inequalities 21. ANS: 4 OBJ: Solving Linear Equations and Inequalities TOP: Skills Handbook: Solving Linear Equations and Inequalities 22. ANS: 5 OBJ: Solving Linear Equations and Inequalities TOP: Skills Handbook: Solving Linear Equations and Inequalities 23. ANS: 17 OBJ: 1-3.1 Solving Equations 24. ANS: TOP: 1-3 Example 1 OBJ: 1-3.1 Solving Equations 25. ANS: 2 1 2 TOP: 1-3 Example 1 OBJ: 1-3.1 Solving Equations 26. ANS: irrational numbers, real numbers TOP: 1-3 Example 2 OBJ: 1-1.1 Graphing and Ordering Real Numbers 27. ANS: integers, rational numbers, real numbers TOP: 1-1 Example 1 OBJ: 1-1.1 Graphing and Ordering Real Numbers 28. ANS: TOP: 1-1 Example 1 –500, OBJ: 1-1.2 Properties of Real Numbers 29. ANS: 3, 1 3 TOP: 1-1 Example 4 OBJ: 1-1.2 Properties of Real Numbers 30. ANS: 50 1.74, 87 TOP: 1-1 Example 4 OBJ: 1-1.2 Properties of Real Numbers 31. ANS: TOP: 1-1 Example 4 , OBJ: 1-1.2 Properties of Real Numbers 32. ANS: Distributive Property TOP: 1-1 Example 4 OBJ: 1-1.2 Properties of Real Numbers 33. ANS: Associative Property of Multiplication TOP: 1-1 Example 5 OBJ: 1-1.2 Properties of Real Numbers 34. ANS: TOP: 1-1 Example 5 Commutative Property of Multiplication OBJ: 1-1.2 Properties of Real Numbers 35. ANS: Inverse Property of Addition TOP: 1-1 Example 5 OBJ: 1-1.2 Properties of Real Numbers 36. ANS: Identity Property of Addition TOP: 1-1 Example 5 OBJ: 1-1.2 Properties of Real Numbers 37. ANS: –55 TOP: 1-1 Example 5 OBJ: 1-2.1 Evaluating Algebraic Expressions 38. ANS: TOP: 1-2 Example 1 OBJ: 1-2.2 Simplifying Algebraic Expressions 39. ANS: TOP: 1-2 Example 4 OBJ: 1-2.2 Simplifying Algebraic Expressions 40. ANS: TOP: 1-2 Example 4 OBJ: 1-3.1 Solving Equations 41. ANS: TOP: 1-3 Example 3 OBJ: 1-3.1 Solving Equations 42. ANS: mean = 9.3, median = 10, mode = 13 TOP: 1-3 Example 3 OBJ: 12-3.1 Measures of Central Tendency 43. ANS: mean = 75.8, median = 76.5, mode = 63 TOP: 12-3 Example 1 OBJ: 12-3.1 Measures of Central Tendency 44. ANS: TOP: 12-3 Example 2 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 OBJ: 12-3.2 Box-and-Whisker Plots 45. ANS: TOP: 12-3 Example 3 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 OBJ: 12-3.2 Box-and-Whisker Plots TOP: 12-3 Example 4