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) -

1200c) 1/120

0d) √120

0

3. Which expression has a sum of 5?a) -7 +

(-2)b) -7 +

2c) 2 + (-

7)d) -2 +

7

4. Which expression has a product of -18?a) -4 x -

4b) -2 x -

9c) -2 x

9d) 4 x -

4

5. Which expression has a quotient of 4?a) 24 / -

6b) -24 /

-8c) -16 /

-4d) -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

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

Tech II Name: _______________________Chapter 1 Test

21. State whether the sequence is Arithmetic or Geometric. 32, -16, 8, -4, 2…

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) .64232. Write in scientific notation. 32,100

a) 32.1 * 103 b) 3.21 * 104 c) 3.21 d) 32.

Tech II Name: _______________________Chapter 1 Test

* 10-3 1 * 104

33. Write in scientific notation. .06123a) 61.23 * 10-3 b) 6.123 * 10-3 c) 61.23

* 10-4d) 6.1

23 * 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 ResponseComplete on the lined side margin. Show work to receive full credit.