9.15 Quiz

Find the rate of change

• 3
• -3
• 20
• Not a constant slope/Non-Linear

What is the y-intercept in this equation?

y=8x+6

• 8

• 6

Which function has the GREATEST y-intercept?

• 
• 
• 
• 

What has the GREATER rate of change.

• y = 7x + 10

• Someone who starts with $6 and gets $8 each day.

• y = 5x + 20

• Someone who starts with $8 and gets $6 each day.

Which company shows a greater rate of change?

• Water's Edge Rafts
• Ryan's Rafts

Which company should you use if you rent the raft for 9 hours?

• Water's Edge Rafts
• Ryan's Rafts

The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Which service is cheaper for 8 movies in one month?

• Beth's service ($38 vs. $40) is cheaper
• Nate’s service ($42 vs. $44) is cheaper
• Nate’s service ($38 vs. $40) is cheaper
• Beth's service ($42 vs. $44) is cheaper

What is a possible scenario for the given table?

• You have $8 and get $5 more each day!

• You have $16 and get $2 more each day!

• You have $2 and get $6 more each day!

• You have $6 and get $2 more each day!

Jason runs at a pace of 7 miles per hour and his friend runs at a pace represented by the equation y = 6x where y is distance in miles and x is time in hours. Who runs faster?

• Jason because he runs at a pace of 6 miles per hour.

• His friend because he runs at a pace of 6 miles per hour.

• Jason because he runs at a pace of 7 miles per hour.

• His friend because he runs at a pace of 7 miles per hour.

The weight of Brandi's luggage is represented by the equation y = 40x, where y represents the weight in lbs and x represents the number of bags. The weight of Javier's luggage is represented in the graph. Compare their rates.

• Brandi's luggage weighs more because it weighs 40 lbs per bag.

• Javier's luggage weighs more because it weighs 40lbs per bag.

• Brandi's luggage weighs more because it weighs 30 lbs per bag.

• Javier's luggage weighs more because it weighs 30 lbs per bag.