Unit 6 TestPart 1 – No calculator

2012-2013

1. Use the given number to find an equivalent fraction and decimal. Circle the correct answers.

Exponential Fraction Decimal Form Form Form

10-2

1001

2001

1001

2001

-0.01

0.01

0.02

-0.02 7.1a

Which number is NOT a perfect square?

F 4

G 12

H 16

J 367.1d

2.

Evaluate 10 – 82 ÷ (-4).

A -26

B 6

C 14

D 26

7.1f

3.

The freezing point (⁰ C) for honey is -3. Graph the absolute value of the freezing point for honey on the number line below.

7.1e

4.

The area of North America is 24 million square kilometers. What is 24 million written in scientific notation?

A 24,000,000

B 240,000,000

C 2.4 x 107

D 2.4 x 1087.1b

5.

In an experiment, the temperature fell 48⁰ F over 8 minutes. If the temperature fell at the same rate every minute, how many degrees did it change per minute?

F -6⁰ F

G -8⁰ F

H -24⁰ F

J -40⁰ F 7.3b

6.

7.1c

7.

7.1c

8.

7.1e

9.

7.1f

10.

A -15B -3C 3D 15

7.3a

11.

7.1c

12.

13.

7.1c

The fraction is equivalent to –

A 0.6%

B 6%

C 60%

D 600%

Which expression is equivalent to 15 – (-10) ?

F -15 – 10

G 15 – 10

H 15 + 10

J 15 + (-10)

7.3b

14.

The area of a square is shown below.

A = 49 ft2

7.1d

15.

A●

B●

Solve each variable expression.

A + B = _______

A – B = _______

AB = _______

A ÷ B = _______

Which expression above has the highest value? ________7.3b

16.

Which list is ordered from greatest to least?

A , 10%,

B , , 10%

C , , 10%

D 10%, ,

7.1c

17.

9.25% is equivalent to what decimal?

F 925

G 9.25

H 0.0925

J 0.009257.1c

18.

7.13b

19.

Evaluate. 3

43

F -

G

H -

J 7.1f

20.

Unit 6 Test – Part IICalculator Section

• Raise your hand and turn in the No Calculator Portion of the test.

• Get the answer sheet for questions 21-45.• On Questions 21-45 you may use a calculator,

so go ahead and get it from under your desk.

7.4

21.

7.4

Ben wants to buy a guitar. The regular price of the guitar is $329.99. The sale price of the guitar is 20% off the regular price.

22.

George bought a stereo for $150. What amount of sales tax must he pay if the tax rate is 5%.

A $5.00

B. $7.50

C. $75.00

D. $750.00

7.4

23.

7.14a

24.

x x =

Using the model, what is the solution to the equation2x = -16?

A -2B -4C -8D -18

25.

7.14a

-1-1 -1-1

-1-1 -1-1

-1-1 -1-1

-1-1 -1-1

n + 20 = -15

= -6

26.

7.14a

7.14a

27.

7.14a

28.

F c = 4G c = 30H c = 50J c = 400

What value of h makes the equation below true?

-8h = -24

A -16B -3C 3D 192

29.

7.14a

A model of an equation is shown below.

n ++

+ +

+=

+

+ +

+ +

+ +

+

What value of n makes the equation true?

F 2

G 4

H 8

J 167.14a

30.

Solve the word sentence below.

The product of fifteen and a number is negative forty-five.

A -30

B -3

C 3

D 607.14b

31.

Bruno buys three notebooks for school. Each notebook is the same price. He pays a total of $9. Which equation can be used to find the cost of one notebook, n?

F 3 + n = $9

G n – 3 = $9

H 3n = $9

J 3 ÷ n = $97.14b

32.

7.13a

7.13b

33.

7.15a

34.

35.

7.15a

Evaluate the equation below.

5x = 2

A 3

B 2

C

D 10

Which inequality has the solution setshown on the graph below?

F m + 6 > 8

G m – 6 > 8

H m – 6 ≥ 8

J m + 6 ≥ 8

36.

7.15b

5x ______________

Which should be placed on the blank line above to make an equation?

A = -5 B < -5

C + (-5)

D – (-5) 7.13

37.

7.13

38.

7.13

39.

40.

7.15a

Which expression represents the number line below?

F -6 + (-3)

G -3 + 6

H -6 + 3

J 3 + 6

Part A Write an inequality that represents all the values of x that make the following true? Show your work.

x – 4 < 9

Part B Graph your solution on the number line below.

41.

7.15a

Which statement represents the Additive Inverse Property?

F 4 + 0 = 4

G 4 + (-4) = 0

H 4(0) = 0

J 4 x 1 = 4 7.16d

42.

7.16b

43.

A 2(10)B 2(3 + 7)C (7 + 3) ● 2D 2(7) + 2(3)

7.16c

44.

Which operation will change the value of any integer except zero?

A Add 0

B Multiply by 1

C Divide by 1

D Multiply by 0

7.16e

45.

**Bonus**Would you rather work seven days at $20 per day or be paid $2 for the first day and have your salary double every day for a week?

Show your work:

Write a conclusion statement:

______________________________________________________________________________________