Test 9, Units 9 - 11

Question 1

The time in the Eastern Zone if it is 10:30 P.M. in the Mountain Zone.

Answer 1

12:30 A.M.

Question 2

The time in the Pacific Zone if it is 10:30 P.M. in the Mountain Zone.

Answer 2

9:30 P.M.

Question 3

The time in the Central Zone if it is 10:30 P.M. in the Mountain Zone.

Answer 3

11:30 P.M.

Question 4

Find miles from the equator at 12 degrees North latitude

Answer 4

828 mi.

Question 5

Find miles from the equator at 43 degrees South latitude

Answer 5

2967 mi.

Question 6

Find miles from the equator at -10 degrees latitude

Answer 6

690 mi.

Question 7

20C = ____ F

Answer 7

F = 9/5(20C) + 32
F = 180/5 + 32
F = 35 + 32
F = 68 F

Question 8

104 F = ___ C

Answer 8

104F = 9/5C + 32
104 - 32 = 9/5C + 32 - 32
72 = 9/5C
5/9 * 72 = 9/5C * 5/9
5/1 * 8 = C
40 C

Question 9

8 C = ___ F

Answer 9

F = 9/5(8C) + 32
F = 72/5 + 32
F = 14 + 32
46 F

Question 10

Find the drop in temperature to the nearest whole degree from sea level to the top of the mountain.
Mt. Toro - 20,932 feet &
Mt. San Luis - 14,014 feet

Answer 10

Mt. Toro - 63 degrees

Mt. San Luis - 42 degrees

Question 11

Express 7 less than x algebraically.

Answer 11

x - 7

Question 12

Write the number of terms in 5x + 3y.

Answer 12

2

Question 13

Write the absolute value of -12.

Answer 13

12

Question 14

Write the square root of 64.

Answer 14

8

Question 15

Write the square of 5

Answer 15

25

Question 16

Write the mean of 24; 27; 26; 19; 25; 21

Answer 16

23

Question 17

Write the median of 24; 27; 26; 19; 25; 21

Answer 17

24

Question 18

Write the mode of 24; 27; 26; 19; 25; 21

Answer 18

19

Question 19

Write the range of 24; 27; 26; 19; 25; 21

Answer 19

8

Question 20

Write the number of inches needed to represent 500 miles in 1/4 in. = 25 miles.

Answer 20

5 in.

Question 21

Find the Pct (percentage of total) if the team won 12 games and lost 15 games. Find the Pct to the nearest thousandth.

Answer 21

.444

Question 22

Find the value of C in C = 3x - 2 if x = 5.

Answer 22

C = 13

Question 23

Write the value of 5 to the 0 power.

Answer 23

1

Question 24

simplify 7 + 2 * (17 - 9)

Answer 24

7 + 2 * (17 - 9)
7 + 2 * 8
7 + 16
23

Question 25

find the square root of 1,024 using either the factoring or extracting method.

Answer 25

32

Question 26

-12 + (-4) =

Answer 26

- 12 - 4 = | - 16

Question 27

-7 - (-5) =

Answer 27

- 7 + 5 = | - 2

Question 28

-8 - 6 =

Answer 28

-14

Question 29

7(-5) =

Answer 29

-35

Question 30

-10/-2 =

Answer 30

5

Question 31

5 to the 3rd power

Answer 31

5 x 5 x 5 = | 125

Question 32

4x = 7 + 9

Answer 32

``` 4x = 16 x = 4 ```

Question 33

3/4x = 12

Answer 33

``` x = 12 * 4/3 x = 16 ```

Question 34

2x - 8 = 4

Answer 34

``` 2x = 12 x = 6 ```

Question 35

Two times a number is 56. What is the number?

Answer 35

``` 2n = 56 n = 28 ```

Question 36

Three less than three times a number is 12. What is the number?

Answer 36

3n - 3 = 12 3n = 15 n = 5

Question 37

Kaitlin's recipe says to bake a pie at 425F. To the nearest whole degree, what temperature Celsius should she bake the pie?

Answer 37

``` F = 9/5C + 32 425 - 32 = 9/5C 393 = 9/5C 5/9 * 393 = C 5/3 * 131 = C 655/3 = C 218.333 = C 218C ```

Question 38

Mark Pryor, who lives in the Eastern Time Zone, placed a phone call at 7:00 AM to his uncle, who lives in the Pacific Time Zone. What time was it in the Pacific zone when he called?

Answer 38

4:00 AM

Question 39

Ted & Cara Nelson are missionaries near the equator. Recently they traveled directly up from -2 degrees South latitude to 5 degrees North latitude. How many miles to the nearest hundred miles did they travel?

Answer 39

500 mi.

Question 40

Jeremy worked on his science project these hours last week: 3; 2; 1 1/2; 1/4; 1; and 5. Rank the hours from least to greatest.

Answer 40

1/4; 1; 1 1/2; 2; 3; 5

Question 41

Of the 30 students who took the last math test, 9 of them made greater than 94. In a circle graph that represents the grades, what percent of it would be devoted to the grades greater than 94?

Answer 41

9 divided by 30 = .3 or 30% | 30%