Quiz about 7.4A STAAR Review

Question 1

Muenster cheese costs $4.50 per pound. Which equation best represents y, the total cost of x pounds of muenster cheese?

Accepted Answer

y = 4.50x

Answer

x = 4.50 + y

Answer

x = 4.50y

Answer

y = 4.50 + x

Question 2

Which of these does NOT represent the distance a car travels when going 50 miles per hour?

Accepted Answer

In 3 hours a car will travel a distance of 200 miles.

Answer

d = 50t, where d represents distance and t represents time in hours

Answer

B.

Answer

D.

Question 3

An artist is make a scale model of a statue. On the model 4 inches represents 1 foot on the actual statue. Which graph best represents this relationship?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 4

The graph represents the linear relationship between the number of books Felicia has read and the number of months she has been a member of a book club.

Which statement is supported by the rate of change in this relationship?

Accepted Answer

Felicia read 2 books in the first 3 months she was a member of the book club.

Answer

Felicia read 4 books in the first 3 months she was a member of the book club.

Answer

Felicia read 3 books in the first 2 months she was a member of the book club.

Answer

Felicia read 3 books in the first 4 months she was a member of the book club.

Question 5

A sea turtle travels through the water at a speed of 35 kilometers per hour. Which representation show the distance a sea turtle can travel at this rate?

Accepted Answer

Option C is correct

Answer

A.

Answer

y = x + 35, where x represents the time in hours and y represents the distance in kilometers.

Answer

In 5 hours a sea turtle can travel a distance of 185 kilometers.

Question 6

Felicia's cell phone plan costs $36 per month. Which table show the sum of the amounts that Felicia will pay for her cell phone plan over the next 4 months?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 7

A Bumble Bee can travel 20 miles in 1 hour. Which graph best represents y, the number of miles a bee can travel in x hours?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 8

Felicia and her family drove 9 hours every day during a road trip. Which graph best represents y, the total number of hours driven in x days?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 9

The graph represents the linear relationship between the number of books Layla has read and the number of months she has been a member of a book club. (7.4A)

Accepted Answer

Layla has read 2 books in the first 3 months she was a member of the book club.

Answer

Layla has read 3 books in the first 2 months she was a member of the book club.

Answer

Layla has read 3 books in the first 4 months she was a member of the book club.

Answer

Layla has read 4 books in the first 3 months she was a member of the book club.

Question 10

A dolphin travels through the water of a speed of 25 kilometers per hour. Which representation shows the distance a dolphin can travel at this rate? (7.4A)

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 11

Cheddar cheese costs $4.25 per pound. Which equation best represents y, the total cost of x pounds of cheddar cheese?

Accepted Answer

y = 4.25x

Answer

x = 4.25 + y

Answer

x = 4.25y

Answer

y = 4.25 + x

Question 12

Frank and his family drove 6 hours every day during a road trip. Which graph best represents y, the total number of hours driver in x days?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 13

A fish is swimming at a constant rate toward the ocean floor. The equation y = -7x -3 can be used to represent this situation, where y is the depth of the fish in meters below sea level and x is the number of seconds the fish has been swimming.

Which statement best describes the depth of this fish, given this equation? (7.7A)

Accepted Answer

From a starting position of 3 meters below sea level, the fish is descending 7 meters per second

Answer

From a starting position of 7 meters below sea level, the fish is descending 3 meters per second

Answer

From a starting position of 7 meters below sea level, the fish is ascending 3 meters per second

Answer

From a starting position of 3 meters below sea level, the fish is ascending 7 meters per second

Question 14

The table shows the relationship between y, the cost to rent a boat, and x, the amount of time the boat is rented. Which graph best represents the relationship between x and y shown in the table? (7.7A)

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 15

Which equation best represents the relationship between x and y in the graph? (7.7A)

Accepted Answer

y = 2x - 2

Answer

y = 2x + 4

Answer

y = 1/2x + 4

Answer

y = 1/2x - 4

Question 16

Which table contains only values that satisfy the equation

y = 0.5x + 14?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 17

A store sells new video games for $55 each. Used video games sell for $12 each. Jacob is buying 3 new video games and x used video games. Which equation can be used to find y, the total price Jacob must pay in dollars? (7.4A)

Accepted Answer

y = 12x + 165

Answer

y = 12x + 55

Answer

y = 55x + 12

Answer

y = 165x + 12

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