Quiz about Math 7 - Study Guide for Final Exam

Question 1

Which event is the least likely to occur when rolling two number cubes?

Accepted Answer

Getting sum of 4

Answer

Rolling doubles

Answer

Getting 2 odd numbers

Answer

Getting sum less than 9

Question 2

Looking at the chart above, what is the probability that you will choose a club sandwich for lunch?

Accepted Answer

1/7

Answer

1/3

Answer

5/21

Answer

2/7

Question 3

Based on these results, what would be the EXPERIMENTAL probability of flipping a heads the next time?

Accepted Answer

12/20

Answer

8/20

Answer

10/20

Answer

1/2

Question 4

Alyssa went to Publix and bought 5 1/2 pounds of ground beef for $47.65. At that rate, what is the cost of 1 pound of ground beef? Round to nearest hundredth.

Accepted Answer

$8.66

Answer

$0.11

Answer

$8.90

Answer

$5.50

Question 5

Find the scale factor used.

Accepted Answer

2

Answer

5

Answer

1/2

Answer

1/5

Question 6

Which of the answer choices is equivalent to the following equation:

15 - 3(2x + 4)?

Accepted Answer

-6x + 3

Answer

6x + 27

Answer

-6x + 19

Question 7

Which of the answers is equivalent to the following expression?

13x + 8 - 7x + x

Accepted Answer

7x + 8

Answer

5x + 8

Answer

-5x + 8

Answer

-7x + 8

Question 8

Emma has been saving up money from babysitting to buy some new school clothes. She wants to purchase the following items: two pairs of shoes at $25 each, four t-shirts at $12 each, and a hoodie that costs $40. How much money does Emma need to buy all of the clothes that she wants?

Accepted Answer

$138

Answer

$118

Answer

$108

Answer

$130

Question 9

Lisa purchased 4 notebooks at the same price and 2 snacks for $3.50 each. If Lisa's total before tax was $23.00, what was the individual price of the 4 notebooks?

Accepted Answer

$4.00

Answer

$4.25

Answer

$3.50

Answer

$5.00

Question 10

Which statement does NOT accurately describe a situation in which opposite quantities combine to make 0?

Accepted Answer

A child ate 3 apples, then ate 3 more apples.

Answer

A baker added 6 cups of flour to a recipe, then removed 6 cups of flour.

Answer

A football player gained 10 yards on a play. The next play he lost 10 yards.

Answer

A car drove 100 miles north, then turned around and drove 100 miles south.

Question 11

Given the following math problem, which is true?

-4(-2 + 9) = n

Accepted Answer

n = -28

Answer

n = -44

Answer

n = 28

Answer

n = 44

Question 12

A clock tower has a clock with a diameter of 7 meters. To the nearest meter, what is the area of the clock?

Accepted Answer

38 square meters

Answer

22 square meters

Answer

154 square meters

Answer

44 square meters

Question 13

An 8-foot board of wood costs $19.48. What is the unit price per inch of wood? (1 foot = 12 inches)

Accepted Answer

$0.20

Answer

$1.62

Answer

$2.44

Answer

$1.42

Question 14

Zeb takes a flight from Savannah, Georgia to Madison, Wisconsin. In Savannah, the temperature is 93 degrees, while in Wisconsin, the temperature is -6 degrees from a recent snow storm. What is the difference between the temperatures in these 2 cities?

Accepted Answer

99 degrees

Answer

50.5 degrees

Answer

93 degrees

Answer

87 degrees

Question 15

What is the cost per hour for parking your car?

Accepted Answer

$7.00 per hour

Answer

$14.00 per hour

Answer

$0.70 per hour

Answer

$5.00 per hour

Question 16

What is the total amount of chocolate used in the recipe?

Accepted Answer

6 1/4 cups

Answer

5 1/2 cups

Answer

5 3/4 cups

Answer

4 1/4 cups

Question 17

Diego wants to find out the favorite type of music at his middle school. He randomly selects 30 students from the school band and asks each of them 3 questions about music. Which of the following describes the MOST LIKELY cause of statistical bias in the survey results?

Accepted Answer

The students were members of the school band.

Answer

The survey included 3 questions.

Answer

The students were randomly selected.

Answer

The survey was given to students at Diego's School.

Question 18

Noah wants to find out which type of music is the most popular at his school. Which of the following groups is the most representative sample for him to survey?

Accepted Answer

50 students in the cafeteria

Answer

10 students listening to country music

Answer

50 students listening to rap

Answer

10 students in the cafeteria

Question 19

What is the result of multiplying -5 by itself y times?

Hint: Try substituting odd and even numbers for y and solve

Accepted Answer

+ if y is even, and - if y is odd

Answer

- , whether y is even or odd

Answer

+ , whether y is even or odd

Answer

- if y is even, and + if y is odd

Question 20

The solution to a math problem is -x/y, where x and y are non-zero integers. Which statement is true?

Accepted Answer

The solution to the math problem is a rational number equal to -x/y

Answer

The solution to the math problem is an integer equal to -x/y

Answer

The solution to the math problem is a rational number equal to -x/-y

Answer

The solution to the math problem is an integer equal to -x/-y

Question 21

Find the combined volume of the two rectangular prisms?

Accepted Answer

146 cm3

Answer

56 cm3

Answer

32 cm3

Answer

5040 cm3

Question 22

Sarah is purchasing a laptop that is originally priced at $800. Fortunately, the laptop is on sale for 20% off the original price. Additionally, a sales tax of 8% will be added to the final purchase price. What amount will Sarah pay for the laptop, including tax?

Accepted Answer

$691.20

Answer

$640.00

Answer

$672.50

Answer

$648.00

Question 23

Sarah starts a small jewelry company out of her home. She tracks her profit each year, as shown in the table. Which statement BEST explains whether or not Sarah's graph represents a proportional relationship or not?

Accepted Answer

The graph represents a proportional relationship because the rate of dollars per year is the same at each point.

Answer

The graph does not represent a proportional relationship because the rate of dollars per year is always increasing.

Answer

The graph does not represent a proportional relationship because it is not a horizontal line showing the same number of dollars made each year.

Answer

The graph represents a proportional relationship because the rate of dollars per year is always decreasing.

Math 7 - Study Guide for Final Exam

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