Chapter 4 Socrative Practice Quiz

12/12/2012
Simplify (which means that you want only positive
exponents and no parentheses), leave
variables in exponential form, but simplify all numbers:
1.
Chapter 4 Socrative Practice Quiz
A.
0
B.
Room:
C.
D.
Simplify (which means that you want only positive
exponents and no parentheses), leave
variables in exponential form, but simplify all numbers:
∙
2.
A.
1
Simplify (which means that you want only positive
exponents and no parentheses), leave
variables in exponential form, but simplify all numbers:
3.
A.
B.
16
C.
4
D.
4
B.
C.
D.
Simplify (which means that you want only positive
exponents and no parentheses), leave
variables in exponential form, but simplify all numbers:
4.
12
None of the above.
Simplify (which means that you want only positive
exponents and no parentheses), leave
variables in exponential form, but simplify all numbers:
5.
A.
2
B.
12
C.
64
D.
2
A.
B.
C.
D.
None of the above.
1
12/12/2012
Simplify (which means that you want only positive
exponents and no parentheses), leave
variables in exponential form, but simplify all numbers:
Simplify (which means that you want only positive
exponents and no parentheses), leave
variables in exponential form, but simplify all numbers:
7.
6.
A.
A.
20
B.
20
C.
9
D.
None of the above.
B.
C.
D.
Simplify (which means that you want only positive
exponents and no parentheses), leave
variables in exponential form, but simplify all numbers:
Simplify (which means that you want only positive
exponents and no parentheses), leave
variables in exponential form, but simplify all numbers:
8.
9.
A.
A.
625
B.
−625
B.
C.
C.
D.
D.
Simplify (and don’t leave in exponential form):
Simplify (and don’t leave in exponential form):
10.
11.
A.
A.
1,000,000
B.
100,000,000
C.
1,000,000,000
D.
None of the above.
B.
,
C.
D.
None of the above.
2
12/12/2012
Simplify (and don’t leave in exponential form):
Simplify (and don’t leave in exponential form):
12.
A.
13.
64
1
A.
B.
B.
C.
D.
None of the above.
C.
0
D.
None of the above.
Write in standard notation:
14.
.
× Write in standard notation:
.
15.
× A.
7,232,000
A.
0.000102
B.
72,320,000
B.
0.0000102
C.
7,23,200,000
C.
0.00000102
D.
None of the above.
D.
None of the above.
Write in scientific notation:
16.
,
,
,
Write in scientific notation:
17. .
A.
5.06 × 10
A.
81.7 × 10
B.
50.6 × 10
B.
8.17 × 10
C.
506 × 10
C.
8.17 × 10
D.
5.06 × 10
D.
8.17 × 10
3
12/12/2012
Find the square roots of the following:
18.
Find the square roots of the following:
19.
A.
25
B.
29
C.
30
B.
D.
None of the above.
C.
A.
D.
Find the square roots of the following:
Find the missing sides of the triangle below:
21.
20.
None of the above.
14
48
A.
25
B.
5
A.
= 50
C.
5
B.
= 2500
D.
5
C.
= 2108
D.
= 62
Find the missing sides of the triangle below:
17
22.
Find the missing sides of the triangle below:
23.
26
24
15
A.
= 514
A.
= 1252
B.
= 2
B.
= 10
C.
= 8
C.
= 25
D.
= 16
D.
= 100
4
12/12/2012
Answer the following question:
24. If
+
=
, what is ?
Answer the following question:
25. Which of the following is not an irrational
number?
A.
= 32
A.
200
B.
= 11
B.
169
C.
= 64
C.
D.
=6
D.
Solve for
26. −
−
A.
=4
B.
=2
C.
=8
D.
in the following equations:
= (−
+ )
None of the above.
Solve for
A.
=
B.
=
C.
= 15
D.
For each of the numbers below, calculate the two positive
integers that the square roots are between (use > and < in
writing your answers)
28.
−
27.
in the following equations:
=
+
None of the above.
For each of the numbers below, calculate the two positive
integers that the square roots are between (use > and < in
writing your answers)
29.
A.
7 < 70 < 8
A.
10 < 125 < 11
B.
8 < 70 < 9
B.
11 < 125 < 12
C.
9 < 70 < 10
C.
12 < 125 < 13
D.
None of the above.
D.
None of the above.
5
12/12/2012
For each of the numbers below, calculate the two positive
integers that the square roots are between (use > and < in
writing your answers)
30.
A.
12 < 222 < 13
B.
13 < 222 < 14
C.
14 < 222 < 15
D.
None of the above.
6