Quiz about GGG Unit Test Review

Question 1

Which function represents the table of values?

Accepted Answer

y = 4x

Answer

y = 4x

Answer

y = x3

Answer

y = 4x-1

Question 2

What is the growth factor for the sequence:
3, 15, 75...

Accepted Answer

5

Answer

12

Answer

1/5

Question 3

Which of the following functions shows an initial amount of $15 and a growth rate of 35% each year?

Accepted Answer

y = 15(1.35)^x

Answer

y = 15(35)^x

Answer

y = .35(15)^x

Answer

y = 15(0.35)^x

Question 4

(x⁸)(x^-5)

Accepted Answer

x3

Answer

x-40

Answer

x-13

Answer

x13

Question 5

(3⁴)(3⁷)

Accepted Answer

311

Answer

328

Answer

33

Answer

3-3

Question 6

(5⁸) / (5³)

Accepted Answer

55

Answer

15

Answer

511

Answer

111

Question 7

Question 7.

Accepted Answer

b6/2a2

Answer

2a2b6

Answer

1/2a2b6

Answer

2b6/a2

Question 8

40

Accepted Answer

1

Answer

0

Answer

4

Answer

-4

Question 9

(2x3y)6

Accepted Answer

64x¹⁸y⁶

Answer

2x¹⁸y⁶

Answer

64x3y6

Answer

2x3y6

Question 10

Solve:
(9 x 10^-6) divided by (3 x 10^-3)

Accepted Answer

3 x 10-3

Answer

27 x 10-9

Answer

3 x 10-9

Answer

27 x 10-3

Question 11

Solve:
(2.2 x 10⁴) x (4.1x 10⁵)

Accepted Answer

9.02 x 10⁹

Answer

6.3 x 10¹⁰

Answer

9.02 x 10²⁰

Answer

6.3 x 10²⁰

Question 12

How would you write 0.0005 in scientific notation?

Accepted Answer

5 x 10-4

Answer

50 x 105

Answer

5 x 103

Answer

.5 x 103

Question 13

How would you write -5.6 x 10^-3 in standard form?

Accepted Answer

-0.0056

Answer

0.0056

Answer

-5,600

Answer

0.00056

Question 14

How do you write 1001 in scientific notation?

Accepted Answer

1.001 x 10³

Answer

1.0001 x 10⁴

Answer

1.01 x 10⁵

Answer

10.1 x 10³

Question 15

When writing a number in scientific notation, the first number must be greater than or equal to 1, but less than 10.

Accepted Answer

True

Answer

False

Question 16

Convert to standard notation:
2.4 x 10^-3

Accepted Answer

0.0024

Answer

2400

Answer

0.24

Answer

0.024

Question 17

What is the decay factor for the sequence?

28, 14, 7, 3.5...

Accepted Answer

1/2

Answer

2

Answer

-14

Answer

-7

Question 18

What is the y-intercept for the function: y = 300(1.16)^x?

Accepted Answer

(0, 300)

Answer

(0, 1.16)

Answer

(0, 0.16)

Answer

(1, 348)

Question 19

Identify the growth factor of the function y=2(4)^x.

Accepted Answer

4

Answer

2

Answer

(2)x

Answer

8

Question 20

Which equation matches the graph?

Accepted Answer

y=2(2)x

Answer

y=2(1/2)x

Answer

y=2x

Answer

y=1/2(2)x

Question 21

How do you write 8.317 x 10⁶in standard form?

Accepted Answer

8,317,000

Answer

8,371,000

Answer

83,170,000

Answer

837,100

Question 22

The mass of he sun is 1.989 x 10³⁰ kilograms. The mass of the earth is 5.98 x 10²⁴ kilograms. How many times bigger is the sun than the earth?

Accepted Answer

3.326 x 10⁵

Answer

3.326 x 10⁶

Answer

1.99 x 10³⁰

Answer

1.99 x 10⁶

Question 23

5. The Colorado Department of Education spent about 4.408 x 10⁹ in fiscal year 2004-2005 on public schools. There were about 7.6 x 10⁵ students enrolled in public school. What was the average spending per student?

Accepted Answer

Divide

Answer

Add

Answer

Subtract

Answer

Multiply

Question 24

A colony of termites is growing exponentially by a factor of 1.5 monthly. If the colony starts with 500, how many would there be in one year? Round your answer to the nearest tenth.

Accepted Answer

64,873.2

Answer

1052

Answer

246375.6

Answer

532.7

Question 25

(x³y) / (xy⁵)

Accepted Answer

x2/y4

Answer

x2y4

Answer

x3y4

Answer

x2/y5

Question 26

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the decay factor?

Accepted Answer

.92

Answer

.08

Answer

1.08

Answer

8

Question 27

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

Accepted Answer

Decay

Answer

Growth

Question 28

Classify the model as Exponential GROWTH or DECAY.
A=10(1.01)³

Accepted Answer

Growth

Answer

Decay

Question 29

What type of function is y = 7(5/4)^x?

Accepted Answer

Exponential Growth

Answer

Exponential Decay

Answer

Linear

Answer

None of the above

Question 30

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

Accepted Answer

y=5000(0.7)^x

Answer

y=30(5000)^x

Answer

y=5000(1.3)^x

Answer

y=5000xx

Question 31

Twenty years ago, Mr. Davis purchased his home for $160,000. Since then, the value of the home has increased about 5% per year. How much is the home worth today?

Accepted Answer

$424,527.63

Answer

$176,783.29

Answer

$57,357.75

Answer

$532,041,076.80

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