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9 weeks Exam

Total questions: 80

Worksheet time: 3hrs 11mins

Name
Class
Date
1.
Rewrite the expression as a power.
 (24)(25)
a)
220
b)
49
c)
420
d)
29
2.
Simplify the expression.
x4 (x12)
a)
x3
b)
x48
c)
x16
d)
x8
3.
Simplify the expression. 
(m4 )2m-3
a)
m
b)
2m
c)
2m-1
d)
m/2m3
4.
Simplify (c5)(c3)(c3)
a)
c45
b)
3c11
c)
c11
d)
3c45
5.
Simplify   (2m4)(5m2)
a)
10m6
b)
10m8
c)
7m6
d)
7m8
6.
Rewrite using the same base only once:
45 ⋅ 43
a)
42
b)
48
c)
4-8
d)
4-2
7.
Rewrite using the same base:
56 ⋅ 5-2 ⋅ 5-1
a)
5-3
b)
52
c)
53
d)
5-2
8.
Simplify:  z8z5
a)
z3
b)
z-3
c)
z-13
d)
z13
9.
Simplify:  (t3)(t6)(t9)
a)
t6
b)
t12
c)
1/t18
d)
t18
10.
a)
x2
b)
x3
c)
x
d)
x5
11.
a)
x4
b)
x8
c)
x12
d)
x20
12.
a)
y20
b)
y3
c)
y26
d)
3y
13.
a)
y16
b)
y3
c)
16y
d)
y48
14.
Evaluate this expression using the quotient rule.
a)
95
b)
99
c)
15
d)
9-5
15.
Which number is the BASE?
23 = 8
a)
2
b)
3
c)
8
16.
Which number is the EXPONENT?
42 = 16
a)
4
b)
2
c)
16
17.
Is this mapping a function or not a function? 
a)
Function
b)
Not a Function
18.
Is this graph a function or not a function? 
a)
Function 
b)
Not a Function
19.
Is this mapping a function or not a function? 
a)
Function
b)
Not a Function 
20.
Which graph does NOT pass the vertical line test?
a)
Graph 1
b)
Graph 2
c)
Graph 3
d)
Graph 4
21.
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)
22.
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}
d)
D: {0, 1, 2, -4}
R: {1, -3, -4, 1}
23.
a)
Function
b)
Not a Function
24.
a)
Function
b)
Not a Function
25.
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.
26.
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.
27.

A relation where every input in matches with exactly one output is called what?

a)

Relation

b)

Linear

c)

Exponential

d)

Function

28.

What is the test to determine if a graph represents a function?

a)

Horizontal line test

b)

Vertical line test

c)

Heidelberg Uncertainty Test

d)

Obi Wan Kenobi Test

29.
All of the x values or inputs are called what?
a)
Domain
b)
Range
c)
Relation
d)
Function
30.
All of the y values or outputs are called what?
a)
Domain
b)
Range
c)
Relation
d)
Function
31.
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
32.
a)
Function
b)
Not a Function
33.
Is this table a function or not a function? 
a)
Function
b)
Not a Function
34.

How would you write y = 2x - 3 in function notation?

a)

y = 2x-3

b)

f = 2x - 3

c)

f(x) = 2x-3

35.

If a question asks you to find f(2), what does that mean?

a)

Let x = 2

b)

Let y = 2

36.

If f(x) = 2x + 1, what would be your first step to find f(1)?

a)

Plug a 1 in for all the x's

b)

Set the function equal to 1

c)

Only plug a 1 into the left side

d)

Only plug a 1 into the right side

37.

If f(x) = 2x + 1, find f(1).

a)

f(1) = 1

b)

f(1) = 4

c)

f(1) = 0

d)

f(1) = 3

38.
Evaluate f(-2) if f(x) = x + 3
a)
-1
b)
1
c)
5
d)
-5
39.
f(x) is the same thing as ______.
a)
y
b)
x
c)
input
d)
an equation
40.
For the function f(x) = -3(x-1) find f(0).
a)
0
b)
-3
c)
3
d)
-1
41.
Evaluate f(-2) if f(x) = x2+ 3
a)
-1
b)
1
c)
7
d)
-7
42.
Let w(x) = 3x - 7. If w(x) = 14, find x.
a)
7
b)
35
c)
2.33333
d)
-49
43.
If f(x) = x - 5, what is the value of x when f(x) = 15?
a)
20
b)
10
c)
5
d)
0
44.
What type of association does this graph have?
a)
positive 
b)
negative
c)
none
d)
all of the above
45.
What type of correlation (association)?
The outside temperature and the amount of layers you wear. 
a)
Positive correlation
b)
Negative correlation
c)
No correlation
d)
All of the above
46.
The number of siblings you have and your weight. 
a)
Positive correlation
b)
Negative correlation
c)
No correlation
d)
All of the above
47.
As x increases, y increases
a)
correlation coefficient
b)
causation
c)
positive correlation
d)
negative correlation
48.
Which scatter plot shows a linear relationship between x and y?
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
49.
What is the correlation?
a)
Negative correlation
b)
No correlation
c)
Positive correlation
d)
All of the above
50.

What type of correlation does this graph have?

a)

Negative

b)

no association

c)

positive

51.

What type of correlation does this graph have?

a)

positive

b)

negative

c)

none

d)

all of the above

52.

What type of correlation does this scatter plot show?

a)

positive

b)

negative

c)

no correlation

d)

nonlinear association

53.
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
54.
According to the table, what is the relative frequency of students ages 10 - 13 who eat breakfast?
a)
About 33%
b)
About 50%
c)
About 40%
d)
About 44%
55.
How many chemical engineers chose Science as their favorite subject?
a)
80
b)
91
c)
171
d)
262
56.
Identify the join relative frequency of boys that have blond hair.
a)
.4
b)
0.1
c)
0.44
d)
0.2
57.
What type of data are jersey numbers?
a)
Quantatative
b)
Categorical
58.
A survey explored the relationship between gender and band class. 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
59.
According to the table, what is the relative frequency of Students ages 14 - 17 who skip breakfast?
a)
About 27%
b)
About 35%
c)
About 15%
d)
About 30%
60.
What is the relative frequency for selecting a teen given that the person likes chocolate?
a)
.112
b)
.267
c)
.164
d)
.056
61.

How many male students were surveyed?

a)

30

b)

29

c)

50

d)

59

62.

How many total people were surveyed?

a)

78

b)

22

c)

70

d)

100

63.

How many total have an MP3 player?

a)

13

b)

57

c)

70

d)

100

64.

What number should go in the blue box?

a)

21

b)

135

c)

19

d)

22

65.

Which of the following is an equation?

a)

8z

b)

8z - 5

c)

8z = 2

d)

8 divided by x

66.

Solve for y in the following equation:

y - 33 = 147

a)

y = 114

b)

y = 177

c)

y = 180

d)

Answer not Given

67.

What do you need to do to both sides to isolate the variable?

16 = k1116\ =\ \frac{k}{11}

a)

Divide both sides by 11

b)

Subtract 11 from both sides

c)

Multiply both sides by 11

d)

Add 11 to both sides

68.

x + 12 = 20

a)

x= 32

b)

x = 12

c)

x = 8

d)

42

69.

What is the solution of 42 = 7f?

a)

294

b)

35

c)

49

d)

6

70.

What is the first step in solving the following equation? 3x−5=203x-5=20  

a)

multiply both sides by 5

b)

add 5 to both sides

c)

divide both sides by 5

d)

subtract both sides by 5

71.

Solve for x.

9x−7=−79x-7=-7  

a)

4

b)

0

c)

5

d)

-1.56

72.

Solve the equation for m.

−15=−4m+5-15=-4m+5  

a)

4

b)

7

c)

5

d)

2.5

73.

Solve the equation for m.

−15=−4m+5-15=-4m+5  

a)

4

b)

7

c)

5

d)

2.5

74.

Solve for x.

x+93=−2\frac{x+9}{3}=-2

a)

-15

b)

-3

c)

15

d)

-8

75.
2x - 3 + 4x = 27
a)
12
b)
4
c)
5
d)
15
76.
3x + 2(4x - 4) = 3
a)
4
b)
3
c)
2
d)
1
77.
4x + 10 = -26
a)
4
b)
-4
c)
-9
d)
9
78.
Solve the equation:
3(x - 1) = 2x + 9
a)
x = 12
b)
no solution
c)
x = 10
d)
x = 6
79.
Which equation has a solution of x = 1
a)
2x + 1 = 12
b)
5x - 2 = 3
c)
x + 1 = x - 1
d)
5 - x = 6
80.
2x - 3 + 4x = 27
a)
12
b)
4
c)
5
d)
15

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