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WorksheetsAlgebra Extra Credit WK 2/1-2/5
Total questions: 25
Worksheet time: 2hrs 3mins
Name
Class
Date
1.
What type of function is f(x)=2(1/7)x ?
a)
Exponential Growth
b)
Linear
c)
Exponential Decay
d)
None of the Abovee
2.
In an exponential function, what does the 'a' represent?
a)
SLOPE
b)
RATE OF CHANGE
c)
Y-INTERCEPT
d)
COMMON RATIO
3.
What is the pattern you see in this table?
a)
Common Ratio = 1/3
b)
Common Difference = 8
c)
Common Ratio = 3
d)
Common difference = 3
4.
Simplify the exponential expression.
a)
2x6y12
b)
2x5y7
c)
8x6y12
d)
8x5y7
5.
Write the equation that represents the table below:
a)
y=1/2(4)x
b)
y=2(4)x
c)
y=4(2)x
d)
y=4(1/2)x
6.
If a table's pattern is that the f(x) values are being divided by 3, what is the common ratio?
a)
3
b)
-3
c)
1/3
d)
-1/3
7.
What is the y-intercept of the function?
a)
2
b)
3
c)
1
d)
-2
8.
Given the function h(x) = 3x , find the value of x such that h(x)=27.
a)
1
b)
2
c)
3
d)
4
9.
What value is missing in the table?
a)
5
b)
3
c)
4
d)
0
10.
Simplify the following exponential expression:
(3x4)(5x3)
(3x4)(5x3)
a)
15x12
b)
8x7
c)
8x12
d)
15x7
11.
What type of function is y = 7(5/4)x?
a)
Exponential Growth
b)
Exponential Decay
c)
Linear
d)
None of the above
12.
What is b, the common ratio, for the function: f(x) = 300(1.16)x?
a)
300
b)
1.16
c)
.16
d)
x
13.
What is a, the starting term, for the function: f(x) = 300(1.16)x?
a)
300
b)
1.16
c)
.16
d)
x
14.
Find the 4th term in the geometric sequence an=3n-1
a)
12
b)
81
c)
243
d)
27
15.
What is the recursive rule for the geometric sequence: 2, 6, 18, 54,...
a)
f(1)= 2, f(n)=3*f(n-1)
b)
f(1)=3, f(n)=2*f(n-1)
c)
f(1)=0, f(n)=3*f(n)
16.
Is the equation linear, exponential or neither?
a)
Linear
b)
Exponential
c)
Neither
17.
Is the graph linear, exponential or neither?
a)
Linear
b)
Exponential
c)
Neither
18.
Is the graph linear, exponential or neither?
a)
Linear
b)
Exponential
c)
Neither
19.
Is the table linear, exponential or neither?
a)
Linear
b)
Exponential
c)
Neither
20.
2xy + 7x + 6xy + 3xy +(-3x)
a)
4x + 11xy
b)
10x + 11xy
c)
-10x + 8xy
d)
-4x - 11xy
21.
3/4x + 2/3 - 1/2x
a)
1/4x + 2/3
b)
-1/4x + 2/3
c)
3/4x2 + 2/3
d)
5/4x + 2/3
22.
Write this expression in simplest form:
-3x2 + 25x(xy + 2x) - 62
-3x2 + 25x(xy + 2x) - 62
a)
72x2 - 62
b)
47x2 + 25x2y - 62
c)
24x2 - 62
d)
-3x2 + 25xy + 50x - 62
23.
**
a)
-10
b)
-2
c)
4
d)
-6
24.
**
a)
-2
b)
INFINITELY MANY SOLUTIONS
c)
NO SOLUTION
d)
-13
25.
What is the length of x?
a)
5
b)
7
c)
8
d)
25
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