Algebra Unit 5 Qpc

Write an equation that represents the relationship between the variables in the table.

• d=10t

• t=d-9

• t=10-d

• t=10d

There were 47 frogs in a pond. f of the frogs hopped away. Choose the expression that represents the number of frogs left in the pond.

What expression would best represent the following expression? Let h represent number of hours.

A small pool started with 75 gallons of water and has a leak that decreases the amount of water by 8 gallons every hour.

• -8h

• 75 + 8h

• 75 - 8h

• 75h - 8

There are r rows of chairs with 8 chairs in each row. Choose the expression that represents the total number of chairs.

Which expression would best represent the following word problem:

In order to join a yoga club there is a $100 annual fee and a $5 fee for each class you attend.

• 100 + 5c

• 100c + 5

• 100 + 5

• 5c

Which equation would best represent the situation? Let w represent the number of weeks.

You are saving money and you started with $20. You plan on saving $15 each week. How many weeks would it take you to save $125?

• 20w + 15 = 125

• 20 + 15w = 125

• 20 + 15 = 125

• 35w = 125

Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 0

Which equation would best represent the word problem:

Suppose that a bike rents for $4 plus $2 per hour. If someone spent a total of $16, how many hours did they rent the bike for?

• 16 + 4h = 2

• 4h + 2 = 16

• 4 + 2h = 16

• 2h = 16

What expression would best represent the following situation? Let m represent the number of months.

In order to join a dancing club, there is a $30 startup fee and a $4 monthly fee.

• 30 + 4

• 34m

• 30m + 4

• 4m + 30

Gourmet chocolate costs $5.25 per pound. Which equation best represents y, the total cost of x pounds of chocolate?

• x = 5.25y

• y = 5.25 + x

• y = 5.25x

• x = 5.25 +y