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WorksheetsSemester 2 Revision
Total questions: 60
Worksheet time: 15hrs 0mins
Name
Class
Date
1.
What kind of correlation is shown in the graph?
a)
Positive correlation
b)
Negative correlation
c)
No correlation
d)
Infinite correlation
2.
According to the scatter plot given, will the following statement be True or False?
"The hotter the temperature gets, the worse David's gas mileage gets."
"The hotter the temperature gets, the worse David's gas mileage gets."
a)
True
b)
False
3.
Which equation would show the most appropriate line of best fit for the given scatter plot?
a)
y= - 6 - x
b)
y = - 6 + x
c)
y = 8 - x
d)
y = 8 -0.25x
4.
Which statement could be true for the table showing the relationship between college entrance exam scores and GPA?
a)
There is no correlation between entrance scores and GPA
b)
There is a negative correlation between entrance scores and GPA
c)
There is a positive correlation between entrance scores and GPA
5.
A line of best fit is given as y = 8 - x.
What is the predicted value of y, if x = 12?
What is the predicted value of y, if x = 12?
a)
-4
b)
4
c)
12
d)
20
6.
The table shows the score (honour roll) of each class.
Which is the best predicted score of someone in '08?
Which is the best predicted score of someone in '08?
a)
53
b)
56.5
c)
60
d)
55
7.
Data based purely on names where no order is suggested can be classified as:
a)
Nominal Data
b)
Ordinal Data
c)
Discrete Data
d)
Continuous Data
8.
Data given in the form of specific, separate values is described as:
a)
Nominal Data
b)
Ordinal Data
c)
Discrete Data
d)
Continuous Data
9.
According to the two way frequency table, how many females were surveyed?
a)
125
b)
124
c)
86
d)
211
10.
Looking at the given two way frequency table, how many males are usually sad?
a)
11
b)
9
c)
86
d)
211
11.
What would be the % for Males doing Methods?
a)
63%
b)
37%
c)
27%
d)
17%
12.
Which of the following graphs would have a negative linear correlation closest to negative one?
a)
A
b)
B
c)
C
d)
D
13.
The table shows the amount of medicine used for treating a disease in the bloodstream over the 9 hours following a dose of 10 mg.
Find the equation that best models this data and then use it to determine how many hours it would take for the drug to be at almost 0 mg in the bloodstream.
Find the equation that best models this data and then use it to determine how many hours it would take for the drug to be at almost 0 mg in the bloodstream.
a)
12.876 hours
b)
10.041 hours
c)
8.104 hours
d)
9.546 hours
14.
Choose the best estimate for the correlation coefficient for the scatter plot given.
a)
.99
b)
.79
c)
.78
d)
-1.00
15.
Which is the most appropriate description for the scatter plot ?
a)
As speed increases distance decreases.
b)
As speed increases, distance increases.
c)
As speed decreases distance increases.
16.
What type of correlation would you expect if you investigate the number of siblings you have and your weight?
a)
Positive correlation
b)
Negative correlation
c)
No correlation
d)
All of the above
17.
A survey explored the relationship between gender and band class. The data collected is given in a two way frequency table.
Which is a reasonable conclusion?
Which is a reasonable conclusion?
a)
There are more band members than non-band members
b)
There are more boys in the class than girls
c)
There are more boys in band than not in band
d)
More than half of the bands members in the class are girls
18.
According to the two-way table, a person who plays an instrument is most likely to:
a)
Not play an instrument
b)
Not play a team sport
c)
Play a team sport
d)
All of the above
19.
Determine the correlation coefficient and decide whether it is weak, moderate, or strong.
a)
0.80 weak
b)
0.90 moderate
c)
0.80 strong
d)
0.90 strong
20.
Tracing all edges on a figure without picking up your pencil or repeating and starting and stopping at different spots is an:
a)
Euler Circuit
b)
Euler Trail
c)
Hamilton Path
d)
Hamilton Cycle
21.
Which of the following is false?
a)
Euler Trails exist when there are exactly two vertices of odd degree.
b)
Euler circuits exist when the degree of all vertices are even.
c)
A graph with more than two odd vertices will never have an Euler Trail or Circuit.
d)
A graph with one odd vertex will have an Euler Trail but not an Euler Circuit.
22.
Does this graph have an Euler Trail, Euler Circuit, both, or neither?
a)
Euler Trail
b)
Euler Circuit
c)
Both
d)
Neither
23.
Which of the following is a Euler's Circuit?
a)
KLQPQOKLOMK
b)
KLQMPQOKNLOMK
c)
KLQMPQOK
d)
KMOLNKOQMK
24.
How do we quickly determine if the graph will have an Euler Trail?
a)
All vertices are of even degree
b)
There are exactly 2 odd degree verticies
c)
Each vertex will be used once
d)
There are even number of edges
25.
Which of the following is a Hamilton cycle of the graph?
a)
ABCDEFGA
b)
ACBEGFDA
c)
CBGEDFAC
d)
CEGBADFC
26.
Which of the four graphs pictured below are trees?
a)
Graph 2
b)
Graph 2, 4
c)
Graph 2, 3
d)
Graph 2,3,4
27.
The number of vertices in a tree with 12 edges is:
a)
10
b)
11
c)
12
d)
13
28.
Assume graph G has no loops or multiple edges. Which of the following graphs are definitely trees?
a)
G has 9 vertices and 8 bridges
b)
G has 11 vertices and 9 edges
c)
G has 7 vertices and no circuits
d)
All graphs are trees
29.
Suppose a graph has 15 vertices and 14 edges. Which of the following statements are most correct?
a)
Graph must be a tree
b)
G is either a tree or its not connected
c)
G cannot have any circuits
d)
G cannot have more than one path joining any two vertice
30.
Are the two given graphs isomorphic?
a)
Yes
b)
No
31.
Is this graph planar?
a)
Yes
b)
No
32.
What is the overall weight of the minimum spanning tree?
a)
9
b)
10
c)
15.2
d)
15.8
33.
Which of the following inequalities describes the given graph?
a)
x ≤ 1
b)
x ≤ -1
c)
y < -1
d)
x < -1
34.
Match the correct inequality to the graph.
a)
y ≤ 2x - 4
b)
y ≥ 2x - 4
c)
y ≤ -4x + 2
d)
y < 2x - 4
35.
The two inequalities representing the given diagram are:
a)
y ≥ x - 1 and y < -x + 4
b)
y < -x - 1 and y ≥ x + 4
c)
y > -x - 1 and y ≥ x + 4
d)
y > x - 1 and y ≥ -x + 4
36.
Which pair of inequalities matches the given graph?
a)
y > -5x - 1/2 and y ≥ -1/2x - 4
b)
y > -1/5x - 1/2 and y ≤ -2x - 4
c)
y ≥ -5x - 1/2 and y ≤ -1/2x - 4
d)
y < -1/5x - 1/2 and y ≥ -2x - 4
37.
Graph each system of linear inequalities and describe the solutions.
y > x + 1
y < x - 4
y > x + 1
y < x - 4
a)
Between the graphs
b)
above the graph y > x + 1
c)
below the graph y < x - 4
d)
No Solution
38.
Is the ordered pair
(-3, 0) a solution of the given system of inequalities?
y ≤ x + 4
y ≥ 2x - 6
(-3, 0) a solution of the given system of inequalities?
y ≤ x + 4
y ≥ 2x - 6
a)
Yes
b)
No
c)
Cannot be determined
39.
Which of the following points is a solution to the system of equations below?
x + 2y ≥ 4
3x − 2y < 4
Take your time!
x + 2y ≥ 4
3x − 2y < 4
Take your time!
a)
(0, 0)
b)
(2, 1)
c)
(2, 2)
d)
(-1, 1)
40.
Select the correct graph for the given inequality.
a)
A
b)
B
c)
C
d)
D
41.
Select the correct graph for the given inequality.
a)
A
b)
B
c)
C
d)
D
42.
Are the points on the boundary line part of the solution set or not?
a)
Yes, they are part of the solution set
b)
No, they are not part of the solution set
c)
Cannot be determined
43.
To draw the inequality y ≤ 2x + 5, we must use a:
a)
Solid line with a shadow below
b)
Solid line with a shadow above
c)
Dashed line with a shadow below
d)
Dashed line with a shadow above
44.
Which point is not a solution for the system of inequalities given in the graph?
a)
(1, 3)
b)
(-1, 2)
c)
(3, -2)
d)
(5, 0)
45.
Christian had brochures printed for a new business venture. Christian originally ordered 4 boxes of black-and-white brochures and 3 boxes of color brochures, which cost a total of $134. After those ran out, Christian spent $120 on 3 boxes of black-and-white brochures and 3 boxes of color brochures.
Which system represents this situation?
Which system represents this situation?
a)
x+y=134
x+y=120
x+y=120
b)
3x+3y=134
4x+3y=120
4x+3y=120
c)
4x+3y=134
3x+3y=120
3x+3y=120
d)
7xy=134
6xy=120
6xy=120
46.
Solve for x and y
3x + 2y = 16
7x + y = 19
3x + 2y = 16
7x + y = 19
a)
(-2,5)
b)
(-2,-5)
c)
(2,-5)
d)
(2,5)
47.
The equations of two lines are:
2x-y=4 and y=-2x+8.
What is the value of x in the solution for this system?
2x-y=4 and y=-2x+8.
What is the value of x in the solution for this system?
a)
x=8
b)
x=3
c)
x=11
d)
x=5
48.
What is the solution of the pair of straight lines given?
a)
(1, -1)
b)
(-1, 1)
c)
(0, -2)
d)
(2, 0)
49.
Identify the common difference.
97, 86, 75, 64, ...
97, 86, 75, 64, ...
a)
8
b)
11
c)
-11
d)
-8
50.
Create the formula for the nth term of the sequence:
2, 8, 14, ...
2, 8, 14, ...
a)
an=2+6n
b)
an=-6+6n
c)
an=6n-4
d)
an=4-6n
51.
Given the recursive formula, find the first four terms:
an+1 = an + 5
a0 = -16
an+1 = an + 5
a0 = -16
a)
-16, -21, -26, -31
b)
5, -11, -27, -43
c)
-16, -80, -500, -200
d)
-16, -11, -6, -1
52.
Find the common ratio: 64, -16, 4, -1, ...
a)
r = -8
b)
r = -1/4
c)
r = -4
d)
r = 4
53.
Does the recursive relation U0 = 10
Un+1 = Un* 0.75 model growth or decay, and by what percent?
Un+1 = Un* 0.75 model growth or decay, and by what percent?
a)
Growth, 75%
b)
Growth, 25%
c)
Decay, 75%
d)
Decay, 25%
54.
Write the recursive formula for 4, 8, 12....
a)
an+1=an - 7, a0 = 4
b)
an+1=an - 4, a0 = 4
c)
an+1=an + 3, a0 = 4
d)
an+1=an + 4, a0 = 4
55.
What is the rule for the nth term of the sequence:
11, 22, 44, 88...
11, 22, 44, 88...
a)
an = 2(11)n-1
b)
an = 11x2
c)
an = 11(2)n-1
56.
What sequence follows the formula an =4n+11
a)
4, 15, 26, 37...
b)
15, 19, 23, 27...
c)
15, 26, 37, 48...
d)
11,15, 19, 23...
57.
Which sequence does the following represent?
50000, 5000, 500, 50...
50000, 5000, 500, 50...
a)
Arithmetic Sequence
b)
Geometric Sequence
c)
Arithmetic Series
d)
Geometric Series
58.
Find T14
7, 2, -3, ...
7, 2, -3, ...
a)
65
b)
-58
c)
77
d)
-63
59.
You deposit $1300 into a bank account which earns 2.5% interest compounded annually. The value of the account after 12 years is closest to:
a)
$17,934.22
b)
$1748.00
c)
$1749
d)
$17,480.00
60.
A new car purchased for $52 000 depreciates at the rate of 8% p.a compounded quarterly.
The value of the car after 4 years is closest to :
The value of the car after 4 years is closest to :
a)
$35 360
b)
$14 560
c)
$71 000
d)
$72 000
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