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Final Exam Review #1

Total questions: 50

Worksheet time: 3hrs 48mins

Name
Class
Date
1.
3x-5x
a)
2x
b)
8x
c)
-2x
d)
15x2
2.
Simplify by combining like terms:
5a + 2b - 3a + 4
a)
8a + 2b + 4
b)
2a + 2b + 4
c)
8ab
d)
4ab + 4
3.
-6k + 7k=
a)
k
b)
-k
c)
12k
d)
-12k
4.
n -10 +9n -3=
a)
-3
b)
9n-3
c)
n
d)
10n -13
5.
-4x - 10x
a)
-14
b)
6x
c)
-6x
d)
-14x
6.
Simplify the expression:
n -10 +9n -3
a)
-3
b)
9n-3
c)
n
d)
10n -13
7.
-6k + 7k=
a)
k
b)
-k
c)
12k
d)
-12k
8.
-2x + 11 + 6x
a)
8x+11
b)
4x +11
c)
4x
d)
15x
9.
Simplify the expression: 2x + 1 + 7x 
a)
10x
b)
10
c)
9x + 1
d)
9 + 1x
10.
Simplify the expression: 7v + 2 + 12 + 2v
a)
23
b)
23v
c)
9 + 14v
d)
9v + 14
11.
5(a + 6)
a)
5a + 6
b)
a + 30
c)
5a + 30
d)
5a - 30
12.
2(c - 8)
a)
2c - 16
b)
2c + 16
c)
2c - 8
d)
c - 16
13.
3(2c - 5)
a)
6c - 15
b)
6c + 15
c)
6c + 15
d)
-6c - 15
14.
(x - 6)4
a)
24 - 4x
b)
4x - 6
c)
x - 24
d)
4x - 24
15.
Which of the following is not equivalent to 12x + 6?
a)
6(2x + 1)
b)
10x + 2x + 6
c)
3(4x + 2)
d)
12(x + 6)
16.
Fill in the blanks:
__(5x + 1) = 10x + 2
a)
2
b)
5
c)
10
d)
x
17.
Which of the following is not equivalent to 4x - 8?
a)
4(x - 2)
b)
2(2x - 4)
c)
2x + 2x - 8
d)
4(x - 8)
18.
-2(x - 5)
a)
-2x + 10
b)
-2x - 10
c)
-2x + 5
d)
-2x - 5
19.
Which of the following is equivalent to    3h +7(2 + 4h)?
a)
90h
b)
7h + 20
c)
50h
d)
31h +14
20.
Which of the following is equivalent to     -8 - 9(5 + 2x)?
a)
-5 - 2x
b)
-18x - 53
c)
-53 + 18x
d)
18x - 53
21.
-4(k - 7)
a)
-4k + 28
b)
-4k - 28
c)
4k + 28
d)
4k - 28
22.
A graph has the equation y=14x. Which of the following is the constant of proportionality?
a)
14
b)
x
c)
y
d)
1/14
23.
If an equation takes the form y (minutes) = 3x (cookies eaten), how long will it take you to eat 6 cookies?
a)
18 minutes
b)
2 minutes
c)
6 minutes
d)
1/2 minute
24.
What is the constant of proportionality?
a)
$3
b)
$4
c)
$2
d)
$9
25.
A proportional relationship can be written as an equation in the form ____ = _____  _____
a)
y = k+x
b)
y = k-x
c)
y = kx
d)
y = k/x
26.

What is the equation that represents this relationship?

a)

y = 1/4x

b)

y = 1/2x

c)

y = 2x

d)

This is not a proportional relationship.

27.
In the equation y = 14x, what is the constant of proportionality?
a)
y
b)
x
c)
14
28.
Is the graph proportional or non-proportional?
a)
Proportional
b)
Non-Proportional
29.
Is this table proportional?
a)
yes
b)
no
30.
If the constant of proportionality is 7, which of the following is the correct proportional equation?
a)
y=7k
b)
y=k7
c)
y=kx
d)
y=7x
31.
If the constant of proportionality is 10, which of the following is the correct proportional equation?
a)
10=kx
b)
10=k
c)
y=10k
d)
y=10x
32.
Which statement below accurately represents the graph?
a)
$100 is earned for each hour worked
b)
$200 earned for every 2 hours worked
is the unit rate
c)
$500 is earned for every 8 hours worked
d)
$300 is earned after working 4 hours
33.
Is the given table a proportional relationship? If so, what is the constant?
a)
Yes; 1/3
b)
Yes; 3
c)
Yes; 5
d)
No
34.
What makes a graph proportional?
a)
Straight line
b)
The line goes through the origin
c)
Curvy line
d)
Straight line and the line goes through the origin
35.
Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?
a)
$7 per hour
b)
$6 per hour
c)
$6.80 per hour
d)
$17.40 per hour
36.
Find the unit rate.
Julio walks 3.5 miles in 1.25 hours
a)
2.5 miles per hour
b)
3.25 miles per hour
c)
3 miles per hour
d)
2.8 miles per hour
37.
y=kx.  What does the k represent?
a)
constant of proportionality
b)
multiplier
c)
scale factor
d)
all of these are correct
38.
What is the Constant of Proportionality?
a)
k=46
b)
k=92
c)
k=0.2
d)
not proportional
39.
Is the graph proportional or non proportional?
a)
proportional
b)
non proportional
40.
Does the table represent a proportional relationship? Use graph paper if necessary.
a)
Yes.
b)
No.
41.

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

a)

$8 per pound

b)

$35 per pound

c)

$5 per pound

d)

$0.125 per pound

42.

A store has 120 customers in 6 hours. What is the unit rate in customers per hour?

a)

16 customers per hour

b)

12 customers per hour

c)

20 customers per hour

d)

15 customers per hour

43.

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

a)

$.50 per pound

b)

$1.25 per pound

c)

$3 per pound

d)

$2.50 per pound

44.

Which is the better buy? A 12-pack of Pepsi for $3.50 or a 6-pack for $1.80?

a)

The 12-pack

b)

The 6-pack

c)

They're the same

d)

Neither, I prefer Coke

45.

A unit rate is a rate in which the unit in the denominator is:

a)

0

b)

3

c)

1

d)

2

46.

If Maya makes $10 an hour at her after school job, how many hours will it take her to earn $150?

a)

10 hours

b)

1.5 hours

c)

15 hours

d)

20 hours

47.

You go to the grocery store to buy dog food. The store has three sizes available:


A 20-lb bag for $23.44

An 8-lb bag for $9.88

A 40-lb bag for $49.00


Which size bag has the lowest cost per pound rounded to the nearest cent?

a)

The 8-lb bag

b)

The 20-lb bag

c)

The 40-lb bag

d)

I have a cat

48.
A dog eats .5 of a pound of food every 50 minutes, at this rate how many pound will the dog have eaten after 200 minutes.
a)
2 pounds
b)
2.5 pounds
c)
1.5 pounds
d)
6 pounds
49.
Ben plays basketball every 6 times in a  3 weeks. At this rate, how many times does he play basketball in 10 weeks?
a)
20
b)
30
c)
45
d)
50
50.
5 boxes of candy costs $12.54. What is the unit price of one candy bar?
a)
2.50
b)
400000000
c)
78.0
d)
678

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