WorksheetsUnit 7 Mini #2 Review
Total questions: 20
Worksheet time: 55mins
Name
Class
Date
1.
Write the expression in exponential form.
a)
A
b)
B
c)
C
d)
D
2.
a)
a
b)
b
c)
c
d)
d
3.
Rewrite in radical form.
a)
A
b)
B
c)
C
d)
D
4.
Rewrite in Radical Form.
a)
A
b)
B
c)
C
d)
D
5.
Rewrite in Exponential Form.
a)
A
b)
B
c)
C
d)
D
6.
Rewrite in Exponential Form.
a)
A
b)
B
c)
C
d)
D
7.
Rewrite in radical form.
a)
A
b)
B
c)
C
d)
D
8.
Rewrite in rational exponent form
a)
216
b)
61/2
c)
62
d)
63/2
9.
Rewrite in rational exponent form
a)
23/5
b)
-23/5
c)
25/3
d)
85
10.
Rewrite in rational exponent form
a)
44/3
b)
43/4
c)
24/3
d)
23/4
11.
The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the decay factor?
a)
.08
b)
1.08
c)
.92
d)
8
12.
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
13.
Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)6
A=1200(.85)6
a)
Growth
b)
Decay
14.
Classify the model as Exponential GROWTH or DECAY.
A=10(1.01)3
A=10(1.01)3
a)
Growth
b)
Decay
15.
Is the pictured graph growth, decay, or linear or none?
a)
Exponential Growth
b)
Exponential Decay
c)
Linear
d)
None
16.
Is this exponential growth or decay?
a)
Growth
b)
Decay
17.
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
18.
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
19.
Write in exponential form
∛x⁷
∛x⁷
a)
x⁷∕ ³
b)
x3⁄7
c)
3x⁷
d)
7x³
20.
Write as a radical expression
y²⁄ ³
y²⁄ ³
a)
2y³
b)
√y³
c)
∛y²
d)
3y²
100 %
