Quiz about Variables and Patterns Review

Question 1

Marcus is shopping for video games. He can choose between two stores. Maywood Video charges $60 per game, and Discount Super Store charges a one time membership fee of $30 plus $40 per game. What is your independent variable in words?

Accepted Answer

Number of Videos

Answer

Membership Fee

Answer

The Store

Answer

Cost

Question 2

Marcus is shopping for video games. He can choose between two stores. Maywood Video charges $60 per game, and Discount Super Store charges a one time membership fee of $30 plus $40 per game. What is your dependent variable in words?

Accepted Answer

Cost

Answer

Membership Fee

Answer

Number of Videos

Answer

The Store

Question 3

Marcus is shopping for video games. He can choose between two stores. Maywood Video charges $60 per game, and Discount Super Store charges a one time membership fee of $30 plus $40 per game. Which equation represents the cost, C, of buying n video games from Maywood Video.

Accepted Answer

C=60n

Answer

n=60C

Answer

C=60+n

Answer

60=C

Question 4

Marcus is shopping for video games. He can choose between two stores. Maywood Video charges $60 per game, and Discount Super Store charges a one time membership fee of $30 plus $40 per game. Which equation represents the cost, C, of buying n video games from Discount Super Store.

Accepted Answer

C=30+40n

Answer

C=30n

Answer

C=40n-30

Answer

C=40n

Question 5

What is the coefficient in the equation:  C=30+40n?

Accepted Answer

40

Answer

C

Answer

30

Answer

n

Question 6

What is the coefficient in the equation:  C=60n

Accepted Answer

60

Answer

C

Answer

60n

Answer

n

Question 7

Maywood Video charges $60 per game.  What is the cost of 3 videos?

Accepted Answer

$180

Answer

$60

Answer

$90

Answer

$63

Question 8

Maywood Video charges $60 per game.  What is the cost of 0 videos?

Accepted Answer

$0

Answer

$60

Answer

$20

Answer

$180

Question 9

Discount Super Store charges a one time membership fee of $30 plus $40 per game. What is the cost for buying 3 games at Discount Super Store?

Accepted Answer

$150

Answer

$70

Answer

$210

Answer

$130

Question 10

Marcus is shopping for video games.  He can choose between two stores.  Maywood Video charges $60 per game, and Discount Super Store charges a one time membership fee of $30 plus $40 per game.   Which graph is shown here?

Accepted Answer

Maywood Video

Answer

Discount Super Store

Answer

Neither

Question 11

Marcus is shopping for video games.  He can choose between two stores.  Maywood Video charges $60 per game, and Discount Super Store charges a one time membership fee of $30 plus $40 per game.   Which graph is shown here?

Accepted Answer

Discount Super Store

Answer

Maywood Video

Answer

Neither

Question 12

Michael earns $5 per hour watching his little brother. He earns an additional $10 for helping his brother with his homework. Which equation represents the amount of money Michael earns (y) for working x hours.

Accepted Answer

y= 5x+10

Answer

Y=5x-10

Answer

y=10x+5

Answer

y=5x

Question 13

Michael earns $5 per hour watching his little brother. He earns an additional $10 for helping his brother with his homework.
How much money will Michael earn if he watches his brother for 3 hours and helps with his homework?

Accepted Answer

$25

Answer

$15

Answer

$30

Answer

$5

Question 14

^{_{How many 16 year olds have cell phones?}}

Accepted Answer

430

Answer

341

Answer

400

Answer

590

Question 15

Which equation represents the graph?

Accepted Answer

y=2x

Answer

y=x

Answer

y=2

Answer

x=2y

Question 16

At what rate is the candle burning?

Accepted Answer

1 inch per hour

Answer

2 inches per hour

Answer

10 inches per hour

Answer

1 inch in 10 hours

Variables and Patterns Review

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