Free Printable Modulus 9 Review- Test

1.

Is the pictured graph growth, decay, or linear or none? (a)

Choose from the below words

Exponential Growth

Exponential Decay

Linear

None

2.

Is y = 4(.20)^x growth or decay? (a)

Choose from the below words

Growth

Decay

3.

What is the initial amount for the function: f(x) = 300(1.16)^x?

a)

300

b)

1.16

c)

.16

d)

x

4.

Classify the model as Exponential GROWTH or DECAY.

$A=10(1.01)^3$

a)

Growth $y=a\left(1+r\right)^t$

b)

Decay $y=a\left(1-r\right)^t$

5.

Classify the model as Exponential GROWTH or DECAY.

$A=1200(.85)^6$

a)

Growth $y=a\left(1+r\right)^t$

b)

Decay $y=a\left(1-r\right)^t$

6.

An antibiotic is introduced into a colony of 12,000 bacteria during a laboratory experiment. The colony is decreasing by 14.9% per minute. Which function can be used to model the number of bacteria in the colony after x minutes?

a)

f(x) = 12000(1 + 14.9)^x

b)

f(x) = 12000(1 - 14.9)^x

c)

f(x) = 12000(1 + 0.149)^x

d)

f(x) = 12000(1 - 0.149)^x

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=5000x^x

8.

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.

a)

y=6(0.14)^x

b)

y=6(1+14)^x

c)

y=6(1.14)^x

d)

y=6(0.86)^x

9.

Name this function.

a)

Horizontal Function

b)

Constant Function

10.

Name the parent function.

a)

linear

b)

quadratic

c)

absolute value

d)

exponential

11.

Which statement is true based on the data in the table?

a)

f(x) is an exponential function

b)

g(x) is a linear function

c)

The y-intercept of g(x) is 10

d)

The slope of f(x) is 3

12.

Select ALL that are true about this graph.

a)

This is exponential

b)

This is quadratic

c)

The y-intercept is 9

d)

The growth rate is 3

e)

The equation is $y=9\left(3\right)^x$

13.

Identify the type of relationship

a)

Linear

b)

Quadratic

c)

Exponential

14.

In the table, function 3 is

a)

Linear

b)

Quadratic

c)

Exponential

15.

Identify the type of relationship

a)

Linear

b)

Quadratic

c)

Exponential

16.

Based on the table, which function will have the greatest y-value for x = 100?

a)

Function 1

b)

Function 2

c)

Function 3

17.

The y-intercept in the exponential function is...

(a)

18.

A stamp gets more expensive each year. It increases in value by 60 % each year. What is the growth FACTOR?

a)

.6

b)

1.06

c)

1.6

d)

.4

19.

Does the table show an exponential function pattern?

a)

Yes, there is a constant factor of 2

b)

Yes, there is a constant factor of -2

c)

No, it is linear there is a constant rate of change of 2

d)

No, there is no pattern

20.

Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)⁶

a)

Growth

b)

Decay

21.

Is this exponential growth or decay?

a)

Growth

b)

Decay

22.

What is the growth rate in the function f(x)=2(1.44)^x

a)

144%

b)

2%

c)

44%

d)

X%

23.

In an exponential function, what does the 'a' represent?

a)

SLOPE

b)

RATE OF CHANGE

c)

Y-INTERCEPT

d)

COMMON RATIO

24.

What is the domain of the function shown below?

a)

-2 < x < 5

b)

0 < x < 12

c)

y > 0

d)

All Real Numbers

25.

Which of the following is NOT correct about the transformation of the graph 2^x

a)

Reflection about the x-axis

b)

Reflection about the y-axis

c)

Horizontal Shift to the left by 7

d)

Vertical shift downward by 9

e)

Vertical Shift upwards by 9

26.

What kind of transformation is represented?

a)

up 1 unit

b)

left 1 unit

c)

right 1 unit

d)

down 1 unit

27.

What is the domain of the exponential function?

a)

all real numbers

b)

y > -1

c)

y < -1

d)

x > -1

28.

Which equation matches the graph?

a)

$-3\left(3\right)^x+2$

b)

$-3\left(\frac{1}{3}\right)^x+2$

c)

$-3\left(3\right)^x-2$

d)

$-3\left(\frac{1}{3}\right)^x-2$

29.

Which of the following has a ratio of 2? (select all that apply)

a)

b)

c)

30.

What is the range of the function shown below?

a)

0 < y < 12

b)

-2 < y < 5

c)

y > 0

d)

All Real Numbers

31.

This is a _______________ function.

a)

Linear

b)

Exponential

c)

Quadratic

32.

True or False: This is an exponential function.

a)

True

b)

False

33.

What is the equation of the horizontal asymptote for following exponential function?

a)

y = -4

b)

y > -4

c)

y < -4

d)

(0, -3)

34.

The domain of all exponential functions is....

a)

$-\infty<x<\infty$

b)

$\left(-\infty,\infty\right)$

c)

all real numbers

d)

ALL OF THE ABOVE

35.

What is the range of f(x) = 5^x?

a)

[0, ∞)

b)

(- ∞, ∞)

c)

(- ∞,0)

d)

(0, ∞)

36.

What is the equation of the horizontal asymptote for following exponential function?

a)

y = -2

b)

y > -2

c)

y < -2

d)

(0, -2)

37.

What is the 'a' value of this exponential function?

a)

81

b)

9

c)

1/3

38.

Identify the irrational numbers. (Select all that apply)

a)

$\sqrt{50}$

b)

2

c)

$\pi$

d)

2.3454128904

39.

What is a decimal called that has a bar over it?

a)

Repeating

b)

Terminating

c)

Rational

d)

Irrational

40.

Which of these is an example of a repeating decimal?

a)

1⁄3

b)

1⁄4

c)

1⁄5

d)

1⁄10

41.

What does n represent?

a)

Number

b)

Nothing

c)

Term you are trying to find

42.

Find the common ratio for the geometric sequence.

a)

10

b)

1/2

c)

2

d)

4

43.

What is the common ratio?

a)

-2

b)

2

c)

4

d)

Not enough information

44.

Did you prepare for this test

a)

Yes

b)

No

45.

Write the explicit formula for the geometric sequence. What is the 10th term?

a)

a_n = 10(2)^n-1

⁵¹²⁰

b)

a_n = 2(10)^n-1

^{2,000,000,000}

c)

a_n = 10(2)ⁿ

^10,240

d)

a_n = 2(10)ⁿ

^{20,000,000,000}

Modulus 9 Review- Test

Total questions: 45

Worksheet time: 56mins

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