Download Mat 157 - Math for Elementary Students Exam

Mat 157 - Math for Elementary Students
Exam - Week 4 Chapter 9 sections 4,5 &6, Chapter 10
100 points - 5 points each no partial credit
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Find the odds.
1) When a single card is drawn from an ordinary 52-card deck, find the odds in favor of getting the
1) __D____
4 of spades.
A) 1 : 51
B) 1 : 13
C) 1 : 12
D) 1 : 52
2)
2) ___B___
Given that P(A) =
A) 2 : 1
, what are the odds against A occurring?
B) 3 : 1
C) 4 : 1
D) 1 : 3
Solve the problem.
3) What is the expected value of one of 700 tickets in a raffle for a prize of $ 1400?
A) $ 1
B) $ 1.50
C) $2
D) $2.50
3) ___C___
Determine whether the situation calls for a discrete or continuous random variable.
4) The cost of a randomly selected orange
A) Discrete
B) Continuous
4) __A____
5) The pH level in a shampoo
A) Discrete
5) ___B___
B) Continuous
Solve the problem.
6) How many different ways can a teacher line up 5 students for lunch?
A) 24
B) 720
C) 120
6) ___C___
D) 5
7) There are 6 contestants in a singing competition. How many different ways can first, second,
and third place be awarded?
A) 216
B) 18
C) 120
D) 20
7) __C____
8) There are 8 members on a board of directors. If they must form a subcommittee of 3 members,
how many different subcommittees are possible?
A) 6
B) 512
C) 56
D) 336
8) ___C___
Provide an appropriate response.
9) List the first seven terms of the Fibonacci sequence.
A) 1, 1, 3, 4, 7, 11, 18
B) 1, 2, 3, 5, 8, 13, 21
C) 1, 1, 2, 3, 5, 8, 13
D) 1, 2, 4, 6, 10, 16, 26
9) __C____
10) Which basic geometric idea is suggested by a spoke in a bicycle wheel: a ray, a line, a line
segment, or an angle?
A) Ray
B) Line
C) Line segment
D) Angle
10) __C___
11) True or false? Any two concurrent lines are coplanar.
A) True
B) False
11) __A___
12) Which point of concurrency in a triangle is sometimes called the center of gravity of the triangle?
A) circumcenter
B) centroid
C) incenter
D) orthocenter
12) __B___
Refer to the figure and provide an appropriate name for the indicated angle(s).
13) ∠6 and ∠7
A) Right angle
C) Complementary angles
B) Supplementary angles
D) Alternate interior angles
14) ∠5
A) Obtuse angle
C) Acute angle
13) ___C__
14) ___D__
B) Vertical angle
Solve the problem.
15) What is the angle sum of a regular polygon with 7 sides?
A) 450°
B) 1350°
C) 900°
D) Right angle
15) __C___
D) 1260°
Provide an appropriate response.
16) True or false? A quadrilateral can have more than one acute interior angle.
A) True
B) False
Determine whether the statement is always true, sometimes true, or never true.
17) If the three sides of a triangle are congruent to the corresponding three sides of another triangle,
then the triangles are congruent.
A) Always true
B) Sometimes true
C) Never true
Provide an appropriate response.
18) Choose the word "rectangle," "square," or "rhombus" to fill in the blank and make the statement
true.
(If none of the words can be used, then write "none.")
16) ___A__
17) __A___
A parallelogram is a _________ if and only if its diagonals are congruent 18)__C___
.
A) square
B) rhombus
C) rectangle
D) none
19) Choose the word "rectangle," "square," or "rhombus" to fill in the blank and make the statement
true.
(If none of the words can be used, then write "none.")
19) __A___
A quadrilateral is a _________ if and only if all of its sides are congruent and its diagonals are
congruent.
A) square
B) rhombus
C) rectangle
D) none
20) Does the following condition ensure that a quadrilateral is a parallelogram?
Both pairs of opposite sides are congruent.
A) Yes
B) No
20) __A___