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CMS 7th Final Exam Review (ACCEL)

Total questions: 108

Worksheet time: 7hrs 46mins

Name
Class
Date
1.
a)
M
b)
N
c)
O
d)
P
2.
Which number is between 7 and 8?
a)
√7
b)
√42
c)
√59
d)
√68
3.
Put in order of least to greatest.
√5, 3, 2½, √8
a)
3, 2½, √8, √5
b)
2½, 3, √5, √8
c)
√5, 3, 2½, √8
d)
√5, 2½, √8, 3
4.

Convert ⅘ to a decimal

a)

.45

b)

.80

c)

.40

d)

.54

5.

−144-\sqrt{144}  

a)

12

b)

-12

c)

-72

d)

none of the above (imaginary number) 

6.

(1681)  = ?\sqrt{\left(\frac{16}{81}\right)}\ \ =\ ?  

a)

827\frac{8}{27}  

b)

89\frac{8}{9}  

c)

49\frac{4}{9}  

d)

43\frac{4}{3}  

7.

Which of the following is irrational?

a)

49\sqrt{49}

b)

50\sqrt{50}

c)

81\sqrt{81}

d)

121\sqrt{121}

8.

Select the set with all perfect squares.

a)

-144, 9, 50, 75, 81, 100

b)

9, 50, 81, 100

c)

9, 50, 75, 81, 100

d)

9, 81, 100

9.
∛125
a)
5
b)
4
c)
6
d)
7
10.

What number, n, cubed is equal to 64?

n3 = 64

a)

4

b)

2

c)

8

d)

262,144

11.

Which number is both a perfect square and a perfect cube?

a)

64

b)

27

c)

81

d)

16

12.
Find h
a)
35.60
b)
35.00
c)
35.71
d)
61.03
13.
Do the segment lengths 15, 12, and 9 form a right triangle?
a)
Yes
b)
No
c)
Maybe
d)
Pythagoras
14.
The Pythagorean Theorem ONLY works on which triangle? 
a)
obtuse
b)
scalene
c)
isosceles
d)
right
15.
What is the opposite of squaring a number?
a)
divide
b)
multiply 
c)
fractions
d)
square root
16.

All of the a square plus all of the b square will perfectly fill the c square with nothing left over.

a)

True

b)

False

17.
solve for x
a)
5552363959656.
b)
10
c)
100
d)
89
18.
An airplane flies 56 miles due north and then 33 miles due east. How many miles is the plane from its starting point?
a)
65 miles
b)
89 miles
c)
45.4 miles
d)
We don't have enough information.
19.
A piece of paper that Brittany has is 11 inches tall and 8 inches wide. She draws a straight line diagonally across the paper. How long is the line she drew?
a)
7.5 in
b)
12.4 in
c)
13.6 in 
d)
14.3 in
20.
To get from one side of the pond to the other you must walk 34 meters south and 41 meters east.  To the nearest meter, how many less meters would it take if it were possible to go directly across the pond.  
a)
53
b)
22
c)
75
d)
9
21.
Find the perimeter of the triangle
a)
8
b)
22
c)
40
22.

Caroline leaves her house and walks north 6 blocks. She turns and heads east 8 blocks until she reaches Mattie’s house. How much further did Caroline walk using this route instead of taking a straight path to Mattie's house?

a)

4 blocks

b)

10 blocks

c)

14 blocks

d)

100 blocks

23.

Find the length of line segment BD if the cube has side lengths of 10 inches

a)

10.4 in.

b)

14.1 in.

c)

17.3 in.

24.

What is the length to the nearest unit of line segment AD

( see the study guide)

a)

10.3

b)

9.5

c)

106

25.
Find the distance.
a)
7.1
b)
7.8
c)
(6, 4.5)
d)
(2.5, 8)
26.
Find the distance between (-12, 1) and (12, -1).
a)
24.05
b)
24.06
c)
24.07
d)
24.08
27.
What is the definition of function?
a)
Has inputs and outputs
b)
Every input has only ONE output
c)
Inputs have different outputs every time
d)
x-values and y-values
28.
a)
Function
b)
Not a Function
29.
Is this mapping a function or not a function? 
a)
Function
b)
Not a Function
30.
Is the relation a function? Why.
a)
Yes, because the x-value 11 has two y-values pair with it.
b)
Yes, because each x-value has only one y-value paired with it.
c)
No, because the x-value 11 has two y-values pair with it.
d)
No, because each x-value has only one y-value paired with it.
31.
Is this graph a function or not a function? 
a)
Function
b)
Not a Function
32.
Which set of values is a function?
a)
(9,5) (10,5) (9,-5) (10,-5)
b)
(3,4) (4,-3) (7,4) (3, 8)
c)
(6,-5) (7, -3) (8, -1) (9, 1)
d)
(2, -2) (5, 9) (5, -7) (1, 4)
33.
In the equation, y = mx + b, the letter b is the ___________.
a)
y-intercept
b)
x-intercept
c)
slope
d)
rate of change
34.
Which is the graph of y= -x + 2?
a)
A
b)
B
c)
C
d)
D
35.
What type of slope does the graph have?
a)
Zero
b)
Undefined
c)
Negative
d)
Positive
36.

Bob has $150 in his savings account and saves $40 per month. Which function models his savings?

a)

y = 150 + 40

b)

y = 40x + 150

c)

y = 150x + 40

37.
For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.
a)
D: {1, -3, -4,}
R: {0, 1, 2, -4}
b)
D:{-4, 0, 1, 2}
R:{-4, -3, 1}
c)
D:{0, 1, 2, 3, 4}
R:{1, -3, -4}
38.
John earns $13 for every half an hour he works. Which of the graphs best represents the situation?
a)
A.
b)
B.
c)
C.
d)
D.
39.

How many days does it take for the plant to reach a height of 7 cm?

a)

5

b)

6

c)

7

d)

8

40.

What is the average rate of growth?

a)

2 cm/day

b)

2 days/cm

c)

1 cm/day

d)

1 day/cm

41.
Which graph is linear?
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
42.
Find the slope from the table.
a)
-4
b)
1
c)
4
d)
-2
43.
Find the slope of the line.
a)
-2
b)
2
c)
-1
d)
1
44.
Find the slope of the line.
a)
Undefined
b)
0
c)
1
d)
-1
45.
Find the slope of the line that passes through the points (2, 4) and (6, 12)
a)
1/2
b)
-1/2
c)
2
d)
-2
46.
Find the slope
a)
-5/3
b)
-3/5
c)
5/3
d)
3/5
47.
Write in slope intercept form
5x - 3y = -9
a)
y = (5/3)x - 3
b)
y = (5/3)x + 9
c)
y = (5/3)x + 3
d)
y = (3/5)x + 3
48.
Write the equation in slope-intercept form:
-3y + 5x = 12
a)
y = -4 + 5x
b)
y = -4 + 5/3x
c)
y = 4 - 5/3x
d)
y = 12 + 5x
49.
Write the equation in slope-intercept form:
-3y + 5x = 12
a)
y = -4 + 5x
b)
y = -4 + 5/3x
c)
y = 4 - 5/3x
d)
y = 12 + 5x
50.

Who has the greater rate of change (slope)?

a)

Smith has the greater rate of change with 5/4

b)

Harmon has the greater rate of change with 7/2

c)

Smith has the greater rate of change with 4/5

d)

They have the same rate of change.

51.

Who has the greater rate of change (slope)?

a)

Troy has the greater rate of change.

b)

Lucy has the greater rate of change

c)

They have the same rate of change

52.

Which pizza place has the best starting salary?

a)

Bombino's

b)

Little Squeezers

c)

Pizza Tent

53.

Which kitten grows fastest? What is it's rate of change (slope)?

a)

Kitten A with a rate of change of 3

b)

Kitten B with a rate of change of 4

c)

Kitten A with a rate of change of 4

d)

Kitten B with a rate of change of 3

54.

How much will you pay Store A per week for a phone?

a)

$25

b)

$150

c)

$15

d)

$50

55.
The graph above shows a line of best fit for data collected on the distance bicyclists have remaining in relation to the amount of time they have been riding.  What is the equation of the line of best fit?
a)
y = -25x + 170
b)
y = 25x + 170
c)
y = -(5/8) x + 170
d)
y = (5/8) x + 170
56.
What type of association does this graph have?
a)
positive 
b)
negative
c)
none
d)
all of the above
57.
What is the correlation?
a)
Negative correlation
b)
No correlation
c)
Positive correlation
d)
All of the above
58.
The graph above shows a line of best fit for data collected on the distance bicyclists have remaining in relation to the amount of time they have been riding.  What is the equation of the line of best fit?
a)
y = -25x + 170
b)
y = 25x + 170
c)
y = -(5/8) x + 170
d)
y = (5/8) x + 170
59.
The graph above shows a line of best fit for data collected on the amount earned by waiters and waitresses last week in relation to the number of tables they served.  What is the equation of the line of best fit?
a)
y = (5/3) x + 375
b)
y = (1/3) x + 475
c)
y = (5/3) x + 475
d)
y = (1/3) x + 375
60.
A small theme park is trying to determine the number of guests they should expect on a weekend, based on the temperature outside.  Based on the trend line, about how many guests should be expected if the temperature is around 80°?
a)
8,300
b)
8
c)
7,300
d)
9,300
61.
A group of students did an experiment to see how drinking cups of coffee right before bed affected sleep.  The results are shown below in the scatter plot with a line of best fit.  Use the given line of best fit to approximate the rate of change relative to the scatter plot.
a)
(7/5) hours/cup
b)
(5/7) hours/cup
c)
- (7/5) hours/cup
d)
- (5/7) hours/cup
62.
Looking at the graph, what is the correlation between the x and y variables?
a)
y increases as x increases
b)
y is constant
c)
y decreases as x descreases
d)
y decreases as x increases
63.
Looking at the graph showing a line of best fit, what is the correlation shown?
a)
Length of life is constant
b)
Length of life increases as amount of sunlight increases
c)
Length of life increases as amount of sunlight decreases
d)
Length of life decreases as amount of sunlight increases
64.
What type of association does this graph have?
a)
positive 
b)
negative
c)
none
d)
all of the above
65.
What is the correlation?
a)
Negative correlation
b)
No correlation
c)
Positive correlation
d)
All of the above
66.
As the age of the car increases, its value decreases. Which scatterplot represents this relationship?
a)
A
b)
B
c)
C
d)
D
67.
What is a scatter plot?
a)
A graph that shows the relationship of two data sets.
b)
A graph drawn using rectangular bars to show how large each value is.
c)
A graph that shows information that is connected in some way.
d)
A graph that shows data changing over time.
68.
You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?
a)
As x increases, y decreases
b)
As x increases, y increases
c)
As x decreases, y decreases
69.
What is the correlation between length of running start and distance of jump?
a)
positive:  the further you run the further you jump
b)
negative: the less you run the less distance of your jump
c)
positive: the further your running start the less your distance
70.
Which of the following lines represents the line of best fit for the scatter plot?
a)
A
b)
B
c)
C
d)
D
71.

What the y-intercept for the line of best fit for the scatter plot?

a)

35

b)

50

c)

30

d)

20

72.

_________________ correlation is when one set of data increases and the other set of data also increases.

a)

Positive

b)

Negative

c)

No

73.

_________________ correlation is when one set of data increases and the other set of data decreases.

a)

Positive

b)

Negative

c)

No

74.

Which sentence describes the relationship shown on this scatter plot?

a)

As the temperature decreases, the visitors increase.

b)

As the temperature increases, the number of visitors increases.

c)

As the visitors increase, the temperature decreases.

d)

No correlation

75.
Which sentence describes the relationship shown on this scatter plot?
a)
The more time spent training, the longer it takes to run 100 m.  
b)
As the time spent training increases, the time to run 100 m decreases. 
c)
As the time spent training decreases, the time to run 100 m decreases. 
76.
The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?
a)
The more books students read, the lower their English grade.
b)
The more books students read, the higher their English grade.
c)
The fewer books students read, the higher their English grade. 
d)
No relationship exists between the number of books students read and their English grades. 
77.
the slope is -5/7, what does that mean?
a)
gain 5 hour of sleep for 7 cups of coffee
b)
lose 5 hours of sleep for 7 cups of coffee
c)
lose 7 cups of coffee for 5 hours of sleep
d)
lose 5 cups of coffee for 7 hours of sleep
78.
You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?
a)
As x increases, y decreases
b)
As x increases, y increases
c)
As x decreases, y decreases
79.
Which of the following lines represents the line of best fit for the scatter plot?
a)
A
b)
B
c)
C
d)
D
80.

What the y-intercept for the line of best fit for the scatter plot?

a)

35

b)

50

c)

30

d)

20

81.

Which sentence describes the relationship shown on this scatter plot?

a)

As the temperature decreases, the visitors increase.

b)

As the temperature increases, the number of visitors increases.

c)

As the visitors increase, the temperature decreases.

d)

No correlation

82.
As x increases, y increases
a)
correlation coefficient
b)
causation
c)
positive correlation
d)
negative correlation
83.
What represents the x axis?
a)
ABC Company
b)
Hours Worked
c)
Amount Earned in Dollars
d)
Hours in Car
84.
About how many male math teachers were there in 2006?
a)
15
b)
30
c)
35
d)
45
85.
What percentage of males drive sports cars?
a)
35%
b)
16.25%
c)
65%
d)
25%
86.
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
87.
Of the mechanical engineers, what is the probability that math is their favorite subject?
a)
1.91
b)
52%
c)
17%
d)
35%
88.
What percentage of girls have blonde hair?
a)
30%
b)
32%
c)
29%
d)
40%
89.

How many females studied Spanish?

a)

13

b)

30

c)

24

d)

17

90.

How many Males studied a language in total?

a)

41

b)

72

c)

31

d)

41

91.

How many students were in the survey all together?

a)

30

b)

42

c)

62

d)

72

92.

How many male students studied French?

a)

18

b)

13

c)

24

d)

17

93.

How many more children prefer playing cricket than netball?

a)

1

b)

7

c)

6

d)

5

94.

What sport is the most popular?et

a)

Cricket

b)

Rugby

c)

Football

d)

Cricket and netball

95.

The table shows incomplete info about customers' orders in a cafe. How many women visited the cafe in total?

a)

37

b)

15

c)

22

d)

12

96.
If a system of equations has no solution, what does the graph look like? 
a)
intersecting lines
b)
parallel lines
c)
skew lines
d)
intersecting lines
97.
What is the solution?
a)
(1, -1)
b)
(-1, 1)
c)
(0, -2)
d)
(0, 1)
98.
Solve for x and y
3x + 2y = 16
7x + y = 19
a)
(-2,5)
b)
(-2,-5)
c)
(2,-5)
d)
(2,5)
99.
Solve for x and y
y = 2x + 1
y = 4x - 1
a)
(1,3)
b)
(-1,-3)
c)
(-1,3)
d)
(3,1)
100.
Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2 haircuts and 4 hair dyes takes 450 minutes.  Which system of equations represents the situation?
a)
3x + 2y = 315
2x + 4y = 450
b)
3x + 2y = 450
2x + 4y = 315
c)
2x + 2y = 315
3x + 4y = 450
101.
Give the solution to the system.
a)
(3,1)
b)
(1,3)
c)
(-1,3)
d)
(1, -3)
102.
How many solutions will this system have?
a)
No Solution
b)
Infinitely Many Solutions
c)
No Clue
d)
One solution
103.
What is the solution? 
a)
1
b)
-2
c)
(1, 2)
d)
(1, -1)
104.
How many solutions will this system have?
a)
One
b)
Two
c)
No Solution
d)
Infinitely Many Solutions
105.

Solve the system of equations by substitution.

a)

(3, -24)

b)

(0, 4)

c)

(-24, 3)

d)

No solution

e)

Infinite solutions

106.

Solve the system of equations by substitution.

a)

(-6, 10)

b)

(-2, 10)

c)

(-2, 7)

d)

(-6, 8)

107.
a)

(2, - 3)

b)

(- 2, 1)

c)

(-2, 3)

d)

(3, 2)

108.
Solve using elimination. 
 4x + 8y = 20
-4x + 2y = -30
a)
(-7,1)
b)
(2,-5)
c)
(-2,5)
d)
(7,-1)

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