Review for unit 5 Test

The ratio of boys on a sports team at school is 2 to 3. There are 300 students on sports teams... How many girls are on sports teams at this school

• 180

• 120

• 450

• 200

In a room there are 9 boys and 12 girls. What is the ratio of boys to girls in simplest form?

• 4:3

• 11:9

• 7:4

• 3:4

An investor buys a piece of land that has an area of 5.75 acres. What is the cost per acre if the investor pays $431,250 for the land?

• $71,875 per acre

• $86,250 per acre

• $75,000 per acre

• $7,500 per acre

A cyclist is traveling at a speed of 15 mph. How long did it take the cyclist to travel 90 miles?

• 4 hours

• 6 hours

• 105 hours

• 1,350 hours

What is the best buy?

• $10.25 for 4 boxes of cereal

• $8.25 for 3 boxes of cereal

• $21.00 for 7 boxes of cereal

• $13.00 for 5 boxes of cereal

Which of the following BEST represents a proportional relationship

• Jeff ran 4 miles in 20 minutes and 6 miles in 24 minutes

• Sam sold 2 bracelets for $3 and 3 bracelets for $6

• Ann placed 10 pencils in 2 boxes and 15 pencils in 3 boxes

• Liam packed 30 glasses in 10 cases and 80 glasses in 40 cases

Which equation illustrates a proportional relationship?

• y=20x

• y=5/x+3

• xy=4

• y=3/x

Which equation illustrates a proportional relationship

• y=6x+2

• y=5/x

• y=2/3x

• y=4x+3

Which equation illustrates a inversely proportional relationship

• y= 6x+2

• y= 6x+2

• y= 5/x

• y=3x

What does the graph of a inversely proportional relationship look like?

• A straight line through the origin

• A curved (u shape line)

• A straight line

• A curved (u shaped line) through the origin