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WorksheetsMath Unit 8 Mr. Reisinger
Total questions: 66
Worksheet time: 33mins
Name
Class
Date
1.
what is a prime number?
a)
a number that cannot be divided by a whole number and equal a whole number other than 1 and itself
b)
a number that cannot be divided by 2
c)
a number that can be divided by 2
d)
a number
2.
is this prime?
97
97
a)
yes
b)
no
c)
?
3.
is this prime?
6
6
a)
yes
b)
no
c)
?
4.
is this prime?
61
61
a)
yes
b)
no
c)
?
5.
is this simplified?
√200
√200
a)
yes
b)
no
c)
?
6.
which of these are not one of the rules for exponents
a)
any number with 0 is 1
b)
any number with 1 is the same number
c)
any number multiplied the exponents are multiplied
d)
?
7.
simplify x0
a)
1
b)
x
c)
x0
d)
x1
8.
simplify b-9
a)
1/x9
b)
b9
c)
b-9
d)
1/b9
9.
simplify b*b
a)
b-2
b)
b2
c)
1
d)
bb
10.
simplify (x2)5
a)
b10
b)
x3
c)
x10
d)
x7
11.
simplify a1
a)
a-1
b)
1
c)
b
d)
a
12.
simplify q1/q1
a)
1
b)
q1
c)
0
d)
2
13.
simplify x2/b-9 * x2/b-9
a)
b19
b)
x4b18
c)
x4/b18
d)
-x1/b20
14.
simplify -6a/(3a12)6
a)
-1871
b)
1872
c)
-1872
d)
18-71
15.
How do you simplify radicals
a)
get the prime factors then pair them together and those pairs go outside, but only one number per pair multiply the rest
b)
get the prime factors then pair them together and those pairs go outside, multiply the rest
c)
get the prime factors then pair them together and those pairs go outside, but only one number per pair
d)
?
16.
simplify 52√200
a)
250√2
b)
52√10
c)
250²
d)
?
17.
simplify √8
a)
2√2
b)
√8
c)
√9
d)
2√4
18.
simplify √45
a)
3√5
b)
5√3
c)
3.5
d)
5.3
19.
simplify 5√180
a)
30√5
b)
5√30
c)
5
d)
30
20.
simplify 7√600
a)
70√6
b)
6√70
c)
5√5
d)
60√5
21.
simplify -10√96
a)
-40√6
b)
40√6
c)
40
d)
6
22.
simplify √90
a)
3√6
b)
1√3
c)
90
d)
30
23.
estimate √1
a)
2
b)
1
c)
0
d)
10
24.
estimate √25
a)
1
b)
-5
c)
5
d)
25
25.
estimate √81
a)
10
b)
8
c)
9
d)
81
26.
estimate 5√25
a)
25
b)
√25
c)
?
d)
5
27.
estimate √200
a)
?
b)
20
c)
2√10
d)
10√2
28.
estimate √23
a)
?
b)
4.7
c)
23
d)
√23
29.
estimate -5√21
a)
-5√7
b)
-5√21
c)
?
d)
5√21
30.
estimate √8
a)
2.8
b)
2.7
c)
2.9
d)
√8
31.
estimate √77
a)
8.77
b)
8.98
c)
9
d)
?
32.
How do we square a number?
a)
multiply the number by itself
b)
multiply the number by 2
c)
divide the number by it self
d)
?
33.
7²
a)
49
b)
37
c)
93
d)
?
34.
6²
a)
36
b)
73
c)
6
d)
?
35.
What is a square root?
a)
a value that can be multiplied by itself and equal the original number
b)
a value that can be divided by itself and equal the original number
c)
a value that can be multiplied by itself and equal the smae number
d)
?
36.
√9
a)
3
b)
±3
c)
?
37.
√225
a)
15
b)
±15
c)
225
d)
?
38.
which of these are not inverse
a)
√ ²
b)
+ -
c)
∛ ³
d)
∜ ¹
39.
x²=36
a)
±6
b)
6
c)
-6
d)
?
40.
x²= 80 round to the 2nd decimal place
a)
±8.94
b)
8.4
c)
±8.9
d)
?
41.
√x =5
a)
±25
b)
25
c)
-25
d)
?
42.
5x²=125
a)
±5
b)
5
c)
125
d)
?
43.
5x²-1= 124
a)
±10
b)
10
c)
?
44.
√x²=5
a)
5
b)
±5
c)
?
45.
How do we cube a number?
a)
multiply a number by itself 3x
b)
multiply a number by 3
c)
?
46.
10³
a)
1,000
b)
±1,000
c)
?
47.
(-2)³
a)
-125
b)
±125
c)
?
48.
What is a cube root
a)
opposite of cubing a number
b)
cubing a number
c)
?
49.
what does a cube root look like?
a)
√
b)
∛
c)
3√
d)
?
50.
x³ =3
a)
±1
b)
-1
c)
1
d)
?
51.
∛x =9
a)
729
b)
±729.00000000000
c)
-27
d)
?
52.
∛x=27
a)
x=12
b)
x=3
c)
x-27
d)
x=9²
53.
j³=25
a)
2.89
b)
∛25
c)
³
d)
?
54.
where is the decinal in this number
876
876
a)
876.
b)
.876
c)
no where
d)
?
55.
What is scientific notation?
a)
simplifying of big numbers
b)
nuber
c)
a inverse situation
56.
label the parts of scientific notation or rules
5.11 × 10³
5.11 × 10³
a)
needs to be between 1-10
b)
a number
c)
?
57.
label the parts of scientific notation or rules
5.11 × 10³
5.11 × 10³
a)
muliplied by itself that many times
b)
multiplied by that number
c)
?
58.
label the parts of scientific notation or rules
5.11 × 10³
5.11 × 10³
a)
exponet
b)
a number
c)
?
59.
which is in standard form
a)
2533000
b)
5×10³
c)
20000000000000000000000000000000000000000000000000×10²
d)
2×10³
60.
use scientific notation to simplify 0.000006
a)
6×1-12
b)
6×2-³
c)
60×10-6
d)
6×10-6.0000000000000
61.
use scientific notation to simplify 375,493,000,000,000,000
a)
3.754193×1017
b)
3.754930×1017
c)
3.754931×1017
d)
?
62.
put this in scientific notation
71×10³
71×10³
a)
7.1×104
b)
7×10³
c)
71×10³
d)
?
63.
put this in scientific notation
.15×10-2
.15×10-2
a)
1.5×10-3
b)
1.5×103
c)
15×10-3
d)
?
64.
put this in standard form
7.1×104
7.1×104
a)
71.000
b)
1000
c)
710000
d)
71,000
65.
how do you multiply scientific notation
a)
multiply the numbers together and then carry over the 10 and then add the exponents
b)
multiply the numbers together and then carry over the 10 and then carry over the exponents
c)
multiply the numbers together and then carry over the 10
d)
?
66.
how do you divide scientific notation
a)
divide the numbers together and then carry over the 10 and then subtract the exponents
b)
divide the numbers together and then carry over the 10 and then add the exponents
c)
divide the numbers together and then carry over the 10
d)
?
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