Name _________________________________________ Date ____________________ Cumulative Test 1 Evaluate the expression. 2 Answers 2. 4 • 5 – 18 2 4. [(5 + 3)2 – 31] 3 6. 9x2 – 4 when x = 3 2 1. 7 + 6 ÷ 3 3. 4[32 – (17 – 12) ] 2 5. 3(5m – 4) when m = –2 Write an algebraic expression, an equation, or an inequality. 7. The sum of 5 times a number x and 17 8. The difference of 21 and the product of 5 and a number y is less than 7. 9. The quotient of 75 and the quantity of a number z and 2 is 25. Check whether the given number is a solution of the equation or inequality. 10. 5c – 13 = 12; 2 11. 21 – 2d < 7; 6 12. A family goes to an amusement park. Adult tickets cost $21. Children under 10 years of age pay $15. Write an algebraic expression for the total cost. Then find the total cost of 4 adult tickets and 3 children’s tickets. 1. _____________ 2. _____________ 3. _____________ 4. _____________ 5. _____________ 6. _____________ 7. _____________ 8. _____________ 9. _____________ 10. _____________ 11. _____________ Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved. 12. _____________ 18. Order the numbers from least to greatest: – 1.6, Solve the equation. m 19. =8 6 n 21. 9 – = 28 3 23. 4h – 13 = 7h + 2 4 , 0, 3.1, – 5 . 18. _____________ 20. 17 = 4x – 7 22. 16w – 10w + 13 = –5 24. 2 3 (25z – 30) = (12z + 16) 5 4 19. _____________ 20. _____________ 21. _____________ 22. _____________ The perimeter P of a rectangle is given by the formula P = 2ℓ + 2w where ℓ is the length and w is the width. 23. _____________ 25. Solve the formula for ℓ. 24. _____________ 26. Use the rewritten formula to find the length of a rectangle with a width of 9 inches and a perimeter of 40 inches. 25. _____________ 26. _____________ Name _________________________________________ Cumulative Test 1 Date ____________________ continued Solve the proportion. 27. x 12 = 8 32 28. Answers 12 36 = 3w 63 29. 21 3k 2 = 5 15 27. _____________ 28. _____________ 29. _____________ Write the equation so that y is a function of x. 32. 5x = –10y + 30 31. _____________ Find the slope of the line that passes through the points. 32. _____________ 34. (–2, –9) and (–5, 6) 33. _____________ 33. (–7, 3) and (3, 8) Identify the slope and y–intercept of the line with the given equation. 35. y = – 4 x+9 5 36. 4x – 7y = 21 1 y=0 5 38. 3y = 5 – 4x 1 x–5 4 38. _____________ 40. _____________ 40. 2x + 5y = 20 41. The price p (in dollars) varies directly with the number of admissions to a museum. The museum charges $12 for 5 student admissions. Write a direct variation equation that relates p and a. Then find the total admission price for 30 students. Algebra 1 Assessment Book 37. _____________ 39. _____________ Graph the equation. 39. y = 35. _____________ 36. _____________ Tell whether the equation represents direct variation. If so, identify the constant of variation. 37. 2x – 34. _____________ 41. _____________ Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved. 31. –12x + 3y = 15 Name _________________________________________ Cumulative Test 1 Date ____________________ continued 42. Graph the function h(x) = x – 4. Compare the graph with the graph of f(x) = x. Answers 42. _____________ _____________ _____________ _____________ _____________ Write an equation in slope-intercept form of the line with the given characteristics. 43. _____________ 43. slope 3; y-intercept 5 45. passes through (3, 2) and (–5, –8) 3 47. slope – ; y-intercept 1 2 44. m = –2; passes through (–1, 5) 46. perpendicular to y = –3x + 1; passes through (2, 2) 44. _____________ 48. m = 4; passes through (–3, –2) 46. _____________ 49. passes through (–2, 4) 50. parallel to y = 3 1 x– ; 5 5 passes through (–2, 0) and (–5, 7) 51. Write an equation in standard form of the line shown. 45. _____________ 47. _____________ 48. _____________ 49. _____________ Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved. 50. _____________ 51. _____________ 52. _____________ _____________ 52. Make a scatter plot of the data in the table below. Draw a line of fit. And then write an equation of the line. x 0 3 6 9 12 y –2 8 14 24 36 Algebra 1 Assessment Book Name _________________________________________ Cumulative Test 1 Date ____________________ continued Solve the inequality, if possible. Graph your solution. 53. x + 5.1 ≥ 9.4 54. x < –3 7 Answers 53. _____________ _____________ 54. _____________ 55. 5 + 2x ≤ –4x + 23 54. –5 < 3x + 1 < 4 _____________ 55. _____________ 57. –2x > 9 or 4x + 7 > 9 58. | x + 1| – 3 > 8 _____________ 56. _____________ _____________ Solve the equation, if possible. 59. 3| x – 2 | + 2 = 17 57. _____________ 60. 7| 4x + 2 | + 6 = 4 _____________ 58. _____________ _____________ 59. _____________ 60. _____________ 61. _____________ Solve the linear system. 62. 2x + 5y = –16 6x + y = –20 64. 5x + 3y = 19 2y = 5x + 21 _____________ 63. 7x + 4y = 26 3x – 8y = –18 65. 3x – 9y = 3 5x – 8y = 12 Tell whether the linear system has one solution, no solution, or infinitely many solutions. 66. 4x – 3y = 6 67. 3x + 7y = 8 8x = 6y + 10 21y = –9x + 24 68. Graph the system of linear inequalities. 4 y> x–2 7 y < 3x + 4 Algebra 1 Assessment Book _____________ 62. _____________ 63. _____________ 64. _____________ 65. _____________ 66. _____________ 67. _____________ 68. _____________ Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved. 61. The sum of the weight w (in pounds) of passengers p and gear g in a canoe can be no more than 500 pounds. Write and graph an inequality that describes the possible weights of the people and the gear. Identify and interpret one of the solutions. Name _________________________________________ Date ____________________ Cumulative Test 2 Simplify the expression. Write your answer using exponents. 1. (–2)2(–2)(–2)5 2. (63)5 3. Answers 411 47 1. _____________ 2. _____________ Simplify the expression. 1 4. 8 5 2 3 6. r 2 5. (4m n) 3. _____________ 3 4. _____________ Simplify the expression. Write your answer using only positive exponents. 2x 2 7. 3 yz 2 5. _____________ 6. _____________ 2 1 3ab 8. • 2 c 2a –2 9. (6m) • (2m ) 3 4 7. _____________ 8. _____________ 9. _____________ 12. _____________ 13. _____________ Find the sum or difference. 14. _____________ 12. (5x2 – 11x + 9) + (7x – 13 – 3x2) 15. _____________ 13. (4x2 – x + 7) – (6x3 + x2 – 5x + 8) 16. _____________ 14. (3x3 + 7x2 – 5x + 3) + (x3 – 3x) 17. _____________ 15. (17y2 – 6y + 5) – (11y2 – 2y + 8) 18. _____________ Find the product. 19. _____________ 16. (9r + 3)(2r – 1) 17. (7t + 2)(t – 5t – 3) 18. (3a – 5b) 19. (9z + 2)(9z – 2) 2 2 Factor the polynomial. 20. _____________ 21. _____________ 22. _____________ 20. x + 10x + 21 21. 4y + 23y – 6 22. 5x2 + 20x + 20 23. x2 – 121 24. _____________ 24. –14n2 – 17n + 6 25. t3 + 2t2 – 9t – 18 25. _____________ 2 2 23. _____________ Algebra 1 Assessment Book Name _________________________________________ Cumulative Test 2 Date ____________________ continued Solve the equation. Answers 26. x2 + x – 56 = 0 27. z2 + 169 = 26z 26. _____________ 28. 11n2 + 21n = 2 29. r3 = 36r 27. _____________ 28. _____________ Solve the equation. 36. x2 – 225 = 0 29. _____________ 37. 81x2 – 18 = 7 36. _____________ 37. _____________ Solve the system of equations using the substitution method. 40. y = x2 + 2x – 1 y = –2x – 4 41. y = 2x2 – 5 y = 11 – 4x 40. _____________ 41. _____________ In Exercises 44–46, use the following information. A typing class has a contest to determine who can correctly type the most words per minute. The students’ scores are: 28, 28, 31, 38, 42, 42, 42, 46, 51, 53, 55, 57, 58. 44. What is the range of the typing scores? 45. Make a stem-and-leaf plot of the scores. 46. Make a box-and-whisker plot of the scores. Answers 44. _____________ 45. _____________ 46. _____________ Name _________________________________________ Cumulative Test 2 Date ____________________ continued For Exercises 47 and 48, use the following information. Answers There are a total of 28 juniors and seniors taking physics this semester and a total of 45 juniors and seniors taking trigonometry. No one is taking both courses. 47. _____________ 48. _____________ 47. If there are twice as many seniors taking trigonometry as there are juniors taking the course, how many seniors are taking trigonometry this semester? 53. _____________ 48. If 18 seniors are taking physics this semester, how many juniors are taking either physics or trigonometry? 54. _____________ 55. _____________ 56. _____________ In Exercises 53 and 54, use the following information. 57. _____________ A box contains 6 blue markers, 8 black markers, and 4 green markers. You randomly choose 2 markers, one at a time. 54. Find the probability that you choose a black marker and then a green marker if you do not replace the first marker. In Exercises 55 and 56, find the indicated probability. State whether A and B are disjoint events. 55. P(A) = 0.35 56. P(A) = 0.42 P(B) = 0.77 P(B) = ? P(A or B) = 0.92 P(A or B) = 0.74 P(A and B) = ? P(A and B) = 0 57. Events A and B are dependent. If P(A) = 0.7 and P(A and B) = 0.35, what is P(B|A)? Algebra 1 Assessment Book Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved. 53. Find the probability that you choose a black marker and then a green marker if you replace the first marker. Answers for Cumulative Test 1 1. 19 2. 82 7. 5x + 17 3. 28 4. 22 8. 21 – 5y < 7 5. –42 6. 77 75 9. = 25 z2 10. solution 11. not a solution 12. 21a + 15c; $129 18. 5, 1.6, 0, 4, 3.1 19. –48 21. –57 22. –3 23. –5 24. 24 P 2w 25. ℓ = 26. 11 in. 27. 3 28. 7 29. 3 2 31. y = 4x + 5 1 1 32. y = – x + 3 33. 34. –5 2 2 4 4 35. m = – , b = 9 36. m = , b = –3 5 7 37. yes; 10 38. no 39. 40. 20. 6 41. p = 2.4a; $72 42. Because the graph of h(x) and f(x) have the same slope, m = 1, the lines are parallel. Also, the y-intercept of the graph of h is 4 less than the y-intercept of the graph of f. 43. y = 3x + 5 44. y = –2x + 3 5 7 1 4 45. y = x – 46. y = x + 4 4 3 3 3 47. y = – x + 1 48. y = 4x + 10 2 3 6 49. y = –x + 2 50. y = x + 5 5 51. 3x – 2y = 5 52. Sample answer: y = 3x – 2 53. x ≥ 4.3 54. x > 21 55. x ≤ 3 56. –2 < x < 1 57. x < –4.5 or x > 0.5 58. x > 10 or x < –12 59. –3, 7 60. no solution 61. p + g ≤ 500; 62. (–3, –2) 65. (4, 1) solutions 68. Answers will vary. 63. (2, 3) 64. (–1, 8) 66. no solution 67. infinitely many Answers for Cumulative Test 2 1. (–2)8 27 r3 2. 615 3. 44 4. 58 5. 16m4n2 4z 6 4m10 3b 8. 9. 4 ac 2 9 x4 y 2 2 3 2 12. 2x – 4x – 4 13. –6x + 3x + 4x – 1 14. 4x3 + 7x2 – 8x + 3 15. 6y2 – 4y – 3 16. 18r2 – 3r – 3 17. 7t3 – 33t2 – 31t – 6 18. 9a2 – 30ab + 25b2 19. 81z2 – 4 20. (x + 3)(x + 7) 21. (4y – 1)(y + 6) 22. 5(x + 2)2 23. (x + 11)(x – 11) 24. (–7n + 2)(2n + 3) 25. (t + 3)(t – 3)(t + 2) 1 26. –8, 7 27. 13 28. , –2 29. –6, 0, 6 11 5 36. ±15 37. ± 40. (–3, 2) and (–1, –2) 9 41. (2, 3) and (–4, 27) 44. 30 45. Typing Scores Key: 2 | 8 = 28 288 318 42226 513578 46. 6. 7. 47. 30 48. 25 8 16 53. 54. 55. 0.2; not disjoint 81 153 56. 0.32; disjoint 57. 0.5