TechMathII - Chapter1Test
- 1. Tech II Name: _______________________ Chapter 1 Test 1. Which answer best represents a withdrawal of $25.00? a) 25 b) -25 c) 1/25 d) √25 2. Which answer best represents a yearly bonus of $1200? a) 1200 b) -1200 c) 1/1200 d) √1200 3. Which expression has a sum of 5? a) -7 + (-2) b) -7 + 2 c) 2 + (-7) d) -2 + 7 4. Which expression has a product of -18? a) -4 x -4 b) -2 x -9 c) -2 x 9 d) 4 x -4 5. Which expression has a quotient of 4? a) 24 / -6 b) -24 / -8 c) -16 / -4 d) -16 / 4 6. Name the set(s) of numbers to which 1.74 belongs. a) rational numbers, real b) natural numbers, whole numbers, integers, rational numbers, real c) rational numbers, irrational numbers, real d) none of the above 7. Name the set(s) of numbers to which -17 belongs: a) whole numbers, natural numbers, integers, real b) rational numbers, real c) whole numbers, integers, rational numbers, real c) integers, rational numbers, real 8. Name the set(s) of numbers to which 19 belongs: a) natural numbers, whole numbers, integers, rational, real b) rational numbers, real c) whole numbers, integers, rational numbers, real c) integers, rational numbers, real 9. Name the set(s) of numbers to which √6 belongs: a) counting numbers, whole numbers, natural numbers, integers, rational, real b) irrational numbers, real c) whole numbers, integers, rational numbers, real c) integers, rational numbers, real 10. Name the set(s) of numbers to which ½ belongs: a) counting numbers, whole numbers, natural numbers, integers, real b) rational numbers, real c) whole numbers, integers, rational numbers, real c) integers, rational numbers, real
- 2. Tech II Name: _______________________ Chapter 1 Test 11. Which set of numbers is the most reasonable to describe the number of desks in a classroom? a) whole numbers b) irrational numbers c) rational numbers c) integers 12. Which has the numbers in order the numbers from least to greatest: a) -4, -9, 2 b) 2, -4, -9 c) -9, -4, 2 13. Which has the numbers in order the numbers from least to greatest: a) -6.4, -6.1, -6.9 b) -6.9, -6.4, -6.1 c) -6.1, -6.4, -6.9 14. What is the absolute value of | -12.5 | ? a) 1 b) 0 c) 12 d) 12.5 15. What is the absolute value of | 19 | ? a) -19 b) 19 c) 0 d) 1 16. What is the absolute value of | -11 - 9 | ? a) -20 b) 2 c) 20 d) -2 17. What is the absolute value of | 24 - 41| ? a) -67 b) 67 c) -17 d) 17 18. Find the next term in each sequence. 23, 19, 15, 11, … a) 13 b) 9 c) 7 d) 5 19. Find the next term in each sequence. 88, 44, 22, … a) 0 b) 11 c) 5.5 d) 22 20. Find the next term in each sequence. 1/8, ¼, ½, … a) 1 b) 2 c) 3 d) 4 21. State whether the sequence is Arithmetic or Geometric. 32, -16, 8, -4, 2…
- 3. Tech II Name: _______________________ Chapter 1 Test a) Arithmetic b) Geometric 22. State whether the sequence is Arithmetic or Geometric. -15, -10, -5, 0… a) Arithmetic b) Geometric 23. Use <, >, or = to compare: | -12 | and | -10 |. a) < b) > c) = 24. Use <, >, or = to compare: | -45/15 | and | -3 |. a) < b) > c) = 25. Use <, >, or = to compare: | -3/4 | and | -9/10 |. a) < b) > c) = 26. Find -32 + -21 + 19 a) -34 b) 72 c) -72 d) 21 27. Find -21 * 4 a) -42 b) 42 c) -84 d) 84 28. Find ½ * ¾ . a) 1/8 b) ¼ c) 3/8 d) ½ 29. Find the average of the following numbers. 32, 21, 35, 46, 48, 37, 28, 27 a) 34.25 b) 33.1 c) 37.2 d) 38.1 30. Write in standard form. 6.9123 * 106 a) 691,230,00 b) 6,912,300 c) 69,123 d) 691,230 31. Write in standard form. 6.42* 10-4 a) .00000642 b) .0000642 c) .000642 d) .642 32. Write in scientific notation. 32,100 a) 32.1 * 103 b) 3.21 * 104 c) 3.21 * 10-3 d) 32.1 * 104 33. Write in scientific notation. .06123
- 4. Tech II Name: _______________________ Chapter 1 Test a) 61.23 * 10-3 b) 6.123 * 10-3 c) 61.23 * 10-4 d) 6.123 * 10-2 34. Write in scientific notation. .0091020 a) 9.1 * 10-3 b) 9.102 * 10-3 c) 9.1 * 103 d) 9.102 * 103 35. True or False: 9.103 * 103 is in standard form. a) True b) False 36. True or False: .12502* 109 is in scientific notation form. a) True b) False 37. True or False: 6.78091 * 10-7 is in scientific notation form. a) True b) False 38. Multiply: ( 8 * 10-7 ) * ( 4 * 109) a) 12 * 102 b) 12 * 10-63 c) 32 * 10-63 d) 32 * 102 39. Multiply: ( -5 * 101 ) * ( 9 * 103) a) -45 * 104 b) 45 * 104 c) -45 * 103 d) 45 * 103 40. Divide: ( 25 * 107 ) / ( 5 * 102) a) 5 * 109 b) 5 * 105 c) 125 * 109 d) 125 * 109 41. Divide: ( 36 * 103 ) / ( 4 * 102) a) 9 * 101 b) 9 * 10-5 c) 9 * 1014 d) 9 * 105 Free Response Complete on the lined side margin. Show work to receive full credit.