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Units 1-3 Review

Total questions: 75

Worksheet time: 3hrs 52mins

Name
Class
Date
1.

 3\sqrt{3}  is considered a...

a)

Whole number

b)

Integer

c)

Irrational Number

d)

Rational Number

2.

 An inequality is shown:

Which value of x will make the inequality true?


 13\frac{1}{3}  < x < 40%

a)

 26\frac{2}{6}  

b)

32%

c)

 .04\sqrt{.04}  

d)

 38\frac{3}{8}  

3.
Which of the following is a perfect square?
a)
24
b)
48
c)
81
d)
110
4.
The √20 is between which two integers?
a)
2 & 3
b)
3 & 4
c)
4 & 5
d)
5 & 6
5.
Which represents a rational number?
a)
√110
b)
√324
c)
√65
d)
√80
6.
a)

A

b)

B

c)

C

d)

D

7.

A math teacher asked students to write the following numbers in order from greatest to least.


75%, ⅗, 0.84, ⅔


Which list shows the numbers in the correct order?

a)

75%, ⅗, 0.84, ⅔

b)

0.84, 75%, ⅔, ⅗

c)

⅔, ⅗, 0.84, 75%

d)

⅗, ⅔, 75%, 0.84

8.
Write 0.00000054 in scientific notation.
a)
54 x 108
b)
5.4 x 107
c)
54 x 10-8
d)
5.4 x 10-7
9.
Write 3.5 x 106  in standard notation.
a)
0.0000035
b)
35,000,000
c)
3,500,000
d)
0.00000035
10.
Write 9.31 x 10-5               in standard notation.
a)
93,100,000
b)
931,000
c)
0.00000931
d)
0.0000931
11.
Write 0.0003 in scientific notation.
a)
3 x 104
b)
3 x 10-4
c)
0.3 x 103
d)
0.3 x 10-3
12.
Write 5,890,000,000 in scientific notation.
a)
5.89 x 109
b)
0.589 x 1010
c)
589 x 107
d)
5.89 x 10-9
13.
Write 6,081,000,000,000 in scientific notation.
a)
0.6081 x 1013
b)
6.081 x 10-12
c)
6081 x 109
d)
6.081 x 1012
14.
Write 4 x 10-3   in standard notation.
a)
0.0004
b)
0.004
c)
4,000
d)
4.000
15.
What is scientific notation?
a)
A long way to write really short  numbers
b)
A short way to write really long numbers
c)
I don't know...
d)
None of the above
16.
When writing a number in scientific notation, the first number must be greater than 1, but less than 10.
a)
False
b)
True
17.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
18.
What is the constant of proportionality?
a)
$3
b)
$4
c)
$2
d)
$9
19.
What is the total cost of tickets if there are 7 adults?
a)
$600
b)
$75
c)
$500
d)
$525
20.
How can I tell if a relationship is proportional in a table? 
a)
Divide x by y
b)
Divide y by x
c)
Look for a pattern
21.
Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?
a)
$1.00 per pound
b)
$3.60 per pound
c)
$1.20 per pound
d)
$1.10 per pound
22.
In the equation y = 14x, what is the constant of proportionality?
a)
y
b)
x
c)
14
d)
1/14
23.
Is the graph proportional or non proportional?
a)
proportional
b)
non proportional
24.
Is the graph proportional or non proportional?
a)
proportional
b)
non proportional
25.

Does the table show a proportional relationship?

a)

Yes

b)

No

26.
Is the given table a proportional relationship? If so, what is the constant of proportionality?
a)
Yes; 1/3
b)
Yes; 3
c)
Yes; 5
d)
No
27.
What is the constant ratio or constant of proportionality (in miles per hour) based on the table?
a)
45
b)
90
c)
135
d)
2
28.

How do I find the constant?

a)

k = x/y

b)

k = 2x

c)

k = y/x

d)

k = 2y

29.
Is this table proportional?
a)
yes
b)
no
c)
I'm not sure, I need extra help!
30.
Which table shows a proportional relationship?
a)
A
b)
B
c)
C
d)
D
31.
a)

Proportional

b)

Non-proportional

32.
Does the graph show a proportional relationship?
a)
Yes
b)
No
33.
a)

Proportional

b)

Non-proportional

34.
a)

Proportional

b)

Non-Proportional

35.
a)

Proportional

b)

Non-proportional

36.
a)

Proportional

b)

Non-proportional

37.
a)

Proportional

b)

Non-proportional

38.
a)

Proportional

b)

Non-proportional

39.
a)

Proportional

b)

Non-proportional

40.
a)

Proportional

b)

Non-Proportional

41.
a)

Proportional

b)

Non-Proportional

42.
What type of slope?
a)
negative
b)
positive
c)
zero slope
d)
downward slope
43.
What is the slope in the picture?
a)
Positive
b)
Negative
c)
Zero
d)
Undefined
44.
Find the slope of the line.
a)
-2
b)
2
c)
-1
d)
1
45.
Find the slope of the line.
a)
-5/4
b)
5/4
c)
-4/5
d)
4/5
46.
Find the slope of the line.
a)
Undefined
b)
0
c)
1
d)
-1
47.
What is the slope in the picture?
a)
Positive
b)
Negative
c)
Zero
d)
Undefined
48.
What type of slope?
a)
undefined
b)
positive slope
c)
negative slope
d)
zero slope
49.
Find the slope
a)
5/2
b)
-5/2
c)
2/5
d)
-2/5
50.
Find the slope
a)
-5/3
b)
-3/5
c)
5/3
d)
3/5
51.
What type of slope?
a)
negative
b)
steep
c)
undefined
d)
zero slope
52.
Find the slope of the line.
a)
-2/1
b)
2/1
c)
-1/2
d)
1/2
53.
Find the slope of the line.
a)
1/4
b)
-1/4
c)
-4/1
d)
4/1
54.
Write 3.2 x 103 in standard form.
a)
3.200
b)
3200
c)
32000
d)
.0032
55.
Light travels at a rate of 186,000 miles per second.  Write this number in scientific notation.
a)
1.86 x 105
b)
1.86 x 104
c)
18.6 x 104
d)
186 x 103
56.
Write in scientific notation: 
0.0000378 
a)
3.78 x 10-5
b)
3.78 x 10-6
c)
0.378 x 10-5
57.
Write in standard form: 
7.3003 x 10-5
a)
.000073003
b)
.0000073003
c)
730,030
58.
a)
b)
c)
d)
59.

How do you find slope on a graph?

a)

Rise/Run

b)

Round up

c)

Round down

d)

Simplify

60.

Which equation represents a proportional relationship?

a)

y = kx

b)

y = mx + b

c)

a^2 + b^2 = c^2

d)

none of these

61.

Which equation shows direct variation?

a)

y = 2x

b)

y = x + 4

c)

y = 5 - x

d)

y = 2x - 1

62.

Which equation represents the table?

a)

y = 10x

b)

y = 0.1x

c)

y = 3x

d)

y = 30x

63.

Which equation represents the table?

a)

y = 3x

b)

y = 1/3x

c)

y = 5x

d)

y = 0.2x

64.

Which equation represents the table?

a)

y = 202x

b)

y = 0.004x

c)

y = 6x

d)

y = 208x

65.

Which equation represents the table?

a)

y = 1/7x

b)

y = 7x

c)

y = -7x

d)

y = 0.7x

66.

What would be the equation of a line that goes through the ordered pairs

(8, 4) and (12, 6)

a)

y = 1/2x

b)

y = 2x

c)

y = 1/4x

d)

y = 4x

67.

What equation represents the graph?

a)

y = 3x

b)

y = 1/3x

c)

y = 9x

d)

y = 27x

68.

What equation represents the graph?

a)

y = 5x

b)

y = 1/5x

c)

y = 0.2x

d)

y = 36x

69.

What equation represents the graph?

a)

y = 7.5x

b)

y = 15x

c)

y = 6.5x

d)

y = 2x

70.
Find the slope.
a)
-2
b)
2
c)
1/2
d)
-1/2
71.
Find the slope.
a)
2/5
b)
-2/5
c)
5/2
d)
-5/2
72.

Does the following represents direct variation?

a)

Yes

b)

No

73.

Does the following represents direct variation?

a)

Yes

b)

No

74.

The number of pages that Hayden can read varies directly with the time spent reading.

If he reads 12 pages in 4 minutes, how many pages can he read in 17 minutes?

a)

51 pages

b)

47 pages

c)

60 pages

d)

75 pages

75.

The value of y varies directly with x. If x = 195 when y = 15, what is the value of x when y = 9?

a)

y = 1.44

b)

y = 117

c)

y = 12

d)

y = 135

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