Math 112

Test #3

Spring 2008

Practice Test 2012

Multiple Choice: Choose the answer that best suits as the solution to the question.

  1. 300 books were arranged in 3 piles. The first pile had 10 more books than the second pile. The second pile has twice as many as the third pile. How many books are in the second pile?

(a) 58

(b)68

(c)126

(d)116

(e) None of these

  1. After spending of a family’s monthly budget on food, a family has $1500 left for the month to pay other bills. How much money is spent on food for the month?

(a)$300

(b) $1800

(c) $2100

(d) $1750

(e) None of the above

  1. The values 2, 6, 18, 54…… is an example of a(n):

(a)Arithmetic series

(b)Geometric series.

(c)Neither Arithmetic nor Geometric

  1. What is the r value of the geometric sequence :

(a)

(b)

(c)

(d) 2

(e)None of the above.

  1. What is the general equation for the Nth term of the sequence 7, 14, 21, 28……..

(a) 7N

(b) 7N + 7

(c) 7N + 1

(d) 7N + (-7)

(e) None of the abov

  1. Given the function Evaluate f (-2).

(a)0

(b)-1

(c)1

(d)-2

(e)None of the above.

  1. Given the table of values below, what would be the most accurate description of the function with respect to the values of x?

x / f (x)
0 / 35
1 / 28
2 / 21
3 / 14
4 / 7

(a)As x increases, f(x) increases.

(b)As f(x) decreases, x decreases.

(c)As x increases, f(x) decreases.

(d)None of these

Questions 8 and 9: The scores below from a class performance on a spelling test:

100, 66, 87, 87, 100, 87, 65, 88, 55

  1. The mode for the class scores is:

(a)100

(b)87

(c)82

(d)55

(e)None of these

  1. The mean score for the class would be:

(a)100

(b)87

(c)82

(d)55

(e)None of the above

  1. If you have spent $250 per week for 2 weeks on groceries, how much would you be limited to spend on the 3rdand 4th week for your average weekly spending not to exceed $200?

(a)$200

(b)$150

(c)$100

(d)$75

(e)None of these.

  1. A drawer full of t-shirts has 5 RadfordUniversity shirts, 2 Va. Tech shirts, 1 UVa shirt, and 2 William and Mary shirts. What is the probability of reaching into the drawer and pulling out a Radford University T-shirt at random?

a)

b)

c)

d)

e) None of these

  1. What is the probability of rolling a 4 with 1 dice two times in a row?

a)

b)

c)

d)

e) None of these

  1. What is the probability of flipping a coin so it lands on “heads” 5 times in a row?

a)

b)

c)

d)

e) None of these

  1. The value of the 11th term in the sequence 1, 6, 36,……. is

a)362,797,056

b)1,679,616

c)10,077,696

d)60,466,176

e)None of the above

  1. Given the scores on a spelling test below, the mode and median would be:

89, 55, 67, 100, 88, 72, 88, 99, 65

(a)Mode = 88; Median = 88

(b)Mode = 88; Median = 72

(c)Mode = 78; Median = 67

(d)Mode = 88; Median = 65

(e)None of the above

  1. What would you need on your final exam if your final exam counts as 3 tests and you have the scores below to have a “B” in the course (a “B” average is defined as exactly an 80 or better).

77, 66, 88

a)You would need at least a 75

b)You would need at least a 65

c)You would need at least a 79

d)You would need at least an 83

e)It would be impossible for you to get a “B” in the course

  1. Given the table of values below, does this represent a function?

x / f(x)
0 / 17
1 / 17
2 / 31
3 / 31
4 / 44
4 / 17

(a)Yes, this is a function

(b)No, this is not a function

(c)Not enough information provided.

  1. Is the following statement true or false?

All similar polygons are also congruent.

a)True

b)False

  1. Is the following an example of a function?

a)Yes, it represents a function.

b)No, it does not represent a function.

20. How many possible license plates can Radford University offer to RU alumni if the RU license plates have 2 letters (no repetition of letters) followed by 4 numbers (repetition allowed)?

a) 26 x 26 x 10 x 10 x 10 x 10

b) 26 x 25 x 10 x 9 x 8 x 7

c) 26 x 25 x 10 x 10 x 10 x 10

d) None of these

For questions 21-23, use the pie graph below.

21. If 450 students are in Ms. Green’s film class, how many students favorite movie type was science fiction?

a) 260

b) 360

c) 36

d)112

e) None of these

22. Which was the most popular movie type in the class?

a) Foreign

b) Action

c) Romance

d) Comedy

e) Horror

23. If there were 36 students that liked foreign movies, how many liked action movies?

a) 450

b) 81

c) 63

d) 45

e) None of these

24. Given the figures below, describe the relationship between the two congruent figures.

a) The two images are congruent, and rotated 90 degrees

b) The two images are congruent and reflected images.

c) The two images are congruent and are translated images.

d) The two images are congruent and are rotated 180 degrees.

e) None of these.

25. What symmetries are displayed on the diagram below?

  1. 5-fold rotation symmetry only
  2. 5-fold rotation symmetry; reflection symmetry with respect to 5 different lines
  3. 3-fold rotation symmetry; glide reflection symmetry
  4. reflection symmetry with respect to 3 different lines only
  5. translation symmetry; reflection symmetry with respect to 3 different lines; 5 fold rotational symmetry

26. An artist wants to paint a picture of a human that is 6 feet tall and has legs that are 30 inches long. How tall would the artist have to paint a proportional picture of the person if the person’s legs in the picture are to be 5 inches long?

a. 1 inch

b. 1.5 inches

c. 1 foot

d. 1.5 feet

e. None of the above

27. At a DVD manufacturing plant, 4 out of a sample of 45 DVD players were found to be defective. If 405 were produced at the plant and the same proportion exists, how many of the 405 DVD players were defective?

a) 9

b) 27

c) 15

d) 36

e) None of these