NEW
Font size
S
M
L
XL
WorksheetsUnit 5 Review
Total questions: 63
Worksheet time: 4hrs 1mins
Name
Class
Date
1.
a)
$283,890
b)
$238,900
c)
$233,890
d)
$280,120
2.
a)
$30,221
b)
$25,354
c)
$35,128
d)
$48,210
3.
a)
$13.23
b)
$15.26
c)
$18.00
d)
$19.74
4.
a)
125,322 subscribers
b)
203,218 subscribers
c)
213,378 subscribers
d)
313,456 subscribers
5.
a)
$282,120
b)
$312,145
c)
$214,877
d)
$277,175
6.
In the equation y=2(5)x , the a value (y-intercept) is...
a)
356
b)
5
c)
10
d)
2
7.
Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.
a)
y=5000(0.7)x
b)
y=30(5000)x
c)
y=5000(1.3)x
d)
y=5000xx
8.
The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?
a)
9766
b)
9006
c)
9765
d)
5433
9.
Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.
a)
y=6(0.14)x
b)
y=6(1+14)x
c)
y=6(1.14)x
d)
y=6(0.86)x
10.
Which of the following functions shows an initial amount of $15 and an increase of 35% each year?
a)
y = 15(35)x
b)
y = 15(1.35)x
c)
y = 15(0.35)x
d)
y = 35(1.15)x
11.
Daniel’s Print Shop purchased a new printer for $35,000. Each year it depreciates at a rate of 5%. How much will the printer be worth in 8 years?
a)
$23,219.72
b)
$136.72
c)
$51,710.94
d)
$16,710.94
12.
What does the P in A=P(1+r)t represent?
a)
Time
b)
Rate
c)
Slope
d)
Initial Amount
13.
a)
Growth
b)
Decay
14.
a)
Growth
b)
Decay
15.
Is this exponential growth or decay?
a)
Growth
b)
Decay
16.
Is this exponential growth or decay?
a)
Growth
b)
Decay
17.
Is this exponential growth or decay?
a)
Growth
b)
Decay
18.
Is this exponential growth or decay?
a)
Growth
b)
Decay
19.
Pick the equation that is exponential growth
a)
y=2(0.5)x
b)
y = 0.5(2)x
20.
Pick the equation that is exponential decay
a)
y=2000(0.88)
b)
y=0.5(1.88)
21.
Is this exponential growth or decay?
a)
Growth
b)
Decay
22.
Is this exponential growth or decay?
a)
Growth
b)
Decay
23.
Is this exponential growth or decay?
a)
Growth
b)
Decay
24.
Is this exponential growth or decay?
a)
Growth
b)
Decay
25.
Is the graph linear, exponential or neither?
a)
Linear
b)
Exponential
c)
Neither
26.
Is the equation linear, exponential or neither?
a)
Linear
b)
Exponential
c)
Neither
27.
Is the equation linear, exponential or neither?
a)
Linear
b)
Exponential
c)
Neither
28.
Is the table linear, exponential or neither?
a)
Linear
b)
Exponential
c)
Neither
29.
Is the table linear, exponential or neither?
a)
Linear
b)
Exponential
c)
Neither
30.
Is the table linear, exponential or neither?
a)
Linear
b)
Exponential
c)
Neither
31.
Is the graph linear, exponential or neither?
a)
Linear
b)
Exponential
c)
Neither
32.
Is the equation linear, exponential or neither?
a)
Linear
b)
Exponential
c)
Neither
33.
A party charges $5 admission for each person.
a)
Linear
b)
Exponential
c)
Neither
34.
An ant population triples each day.
a)
Linear
b)
Exponential
c)
Neither
35.
What is the simplified version of
(5.2 x 1013) / (1.3 x 10-7)
(5.2 x 1013) / (1.3 x 10-7)
a)
3.9 x 106
b)
4 x 1020
c)
4 x 106
d)
3.9 x 1020
36.
What is the simplified form of
(3.25 x 103)(7.8 x 106)
(3.25 x 103)(7.8 x 106)
a)
2.535 x 1010
b)
2.535 x 1018
c)
2.535 x 1019
d)
2.535 x 109
37.
Any number (except 0) raised to a zero power (100) will always be______?
a)
ZERO
b)
THAT NUMBER ITSELF
c)
ONE
d)
UNDEFINED
38.
When writing scientific notation, you must use a number equal to 0 but less than 10. TRUE OR FLASE
a)
TRUE
b)
FALSE
39.
What is the simplified form of
(3.25 x 103)(7.8 x 106)
(3.25 x 103)(7.8 x 106)
a)
2.535 x 1010
b)
2.535 x 1018
c)
2.535 x 1019
d)
2.535 x 109
40.
Write in scientific notation:
145 x 108
145 x 108
a)
1.45 x 108
b)
1.45 x 106
c)
1.45 x 1010
d)
Already in scientific notation
41.
Write in scientific notation: 19 x 105
a)
1.9 x 105
b)
1.9 x 104
c)
1.9 x 106
d)
Already in scientific notation
42.
Write in scientific notation:
.034 x 107
.034 x 107
a)
3.4 x 105
b)
3.4 x 107
c)
3.4 x 109
d)
Already in scientific notation
43.
Simplify 3-3
a)
-27
b)
-9
c)
-1/9
d)
1/27
44.
Simplify x-7
a)
-7
b)
-7x
c)
1/x7
d)
-1/x7
45.
Which is greater, 26540 or -50?
a)
26540
b)
50
c)
They are the same
d)
Zero is greater
46.
Simplify (34x5y6z-7)0
a)
34x5y6 / z7
b)
34x5y6 / x-7
c)
0
d)
1
47.
Simplify
(2m4)(5m2)
(2m4)(5m2)
a)
10m6
b)
10m8
c)
7m6
d)
7m8
48.
Simplify the expression.
x4 (x12)
x4 (x12)
a)
x3
b)
x48
c)
x16
d)
x8
49.
(2x3y)6
a)
2x18y6
b)
64x18y6
c)
64x3y6
d)
2x3y6
50.
Multiply
(2a2b4z)(6a3b2z5)
(2a2b4z)(6a3b2z5)
a)
8a5b6z6
b)
12a6b8z5
c)
12a5b6z6
d)
8a6b8z5××
51.
Simplify x3y2z6x-1yz-5
a)
x2y3z
b)
x2y2z11
c)
x4y3z11
d)
x2z
52.
Simplify
(7a2)(5a6b)2
(7a2)(5a6b)2
a)
35a14b2
b)
175a12b2
c)
175a14b2
d)
35a14b
53.
Simplify:
a)
A
b)
B
c)
C
d)
D
54.
a)
a8b13
b)
a2b7
c)
a15b30
55.
Evaluate the expression using the quotient rule.
a)
214 z13
b)
22/z7
c)
214/ z7
d)
22 z7
56.
Simplify
a)
x28y12 / x2y
b)
x28y12 / x8y4
c)
x20y8
57.
Simplify.
a)
(2x-18) / y4
b)
(2x3) / y
c)
y12 / (8x18)
d)
none of these
58.
a)
2a2b6
b)
1/2a2b6
c)
b6/2a2
d)
2b6/a2
59.
Simplify
(3x3y5)4
(3x3y5)4
a)
3x12y20
b)
81x12y20
c)
12x12y20
d)
81x7y9
60.
Simplify the following expression:
xy-7
xy-7
a)
xy7
b)
x/y7
c)
x7/y
d)
x7y
61.
(3x)0
a)
(3x)1
b)
01
c)
1
d)
3x
62.
(t-6)-5
a)
t-11
b)
t-30
c)
t30
d)
t11
63.
n9 • n7 • n3
a)
n973
b)
n189
c)
n19
d)
n20
Reset
