Mathematics 9 2nd Quarter

A charitable organization brought in $7200 in ticket sales by selling 400 tickets to their annual fundraising banquet. The amount of money raised from ticket sales is directly proportional to the number of tickets sold.
x= ​ (a)   and y=​ (b)  A charitable organization brought in $7200 in ticket sales by selling 400 tickets to their annual fundraising banquet. The amount of money raised from ticket sales is directly proportional to the number of tickets sold.
If the organization meets next year's goal of selling 550 tickets and keeps the prices the same, how much money should they expect to bring in from the ticket sales?

• $13

• 
  $30.56

• $9900

• None of these

A charitable organization brought in $7200 in ticket sales by selling 400 tickets to their annual fundraising banquet. The amount of money raised from ticket sales is directly proportional to the number of tickets sold.
If the organization wants to keep ticket prices the same but brings in $14,000 in ticket sales, how mnay tickets do they need to sale?

• $1.94

• About 252000

• About 778

• 
  $35

The cost of an antique plate varies directly with its area. If an antique plate with an area of 176 square inches costs $16, what would be the area of an antique [;ace that costs $11?

• 256 in²

• 121 in²

• 1 in²

• 
  None of these

The distance traveled by an object is directly proportional to the amount of time spent traveling. An object spending 9 hours in travel goes a distance of 563 miles. How far would the object go that travels fo 3 hours? Round your answer to the nearest hundredth.

• 
  187.67 miles

• 
  .05 miles

• 1683.00 miles

• 287.7 miles

Does the following represents direct variation?

• yes

• no

Given x= 2 and y= 8; find the direct variation equation 

• y= 1/4x

• y=-4x

• y=4x

• 
  y= -1/4x

Write an equation for this relationship.

• 
  y=4x

• y=1/4x

• 
  y=1/8x

• y=8x

The amount of money earned on a job is directly proportional to the number of hours worked.  If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

• 
  $2

• $1.57

• 
  $308

• 
  $265

s the given table a direct variation? If so, what is the constant?

• 
  Yes; 1/4

• Yes; 4

• Yes; 2

• 
  No

Given that y varies inversely with x, if x =7 and y = 4, what is y when x = 2?

• 
  14

• 
  2

• 
  10

• -14