Chapter 8

Graph y = x + 2.

• 
• 
• 
• 

Graph y = 2x.

• 
• 
• 
• 

Which equation represents the function displayed in the table?

• y = 5x

• y = 7x

• y = 8x

• y = 9x

Which equation represents the function displayed in the table?

• y = 13x

• y = 6x

• y = 8x

• y = 14x

Alex does pet-sitting in the summer. For each pet, he charges $9 per day. Which table shows the relationship between the number of days d for each pet and the total amount earned t?

• 
• 
• 
• 

The table shows the number of hours Celia worked and the corresponding amount she earned. Which graph shows the relationship between the number of hours and the amount earned?

• 
• 
• 
• 

The table shows the number of minutes of exercise and the number of Calories burned. Which graph shows the relationship between the number of minutes exercised and the number of Calories burned?

• 
• 
• 
• 

The table shows the relationship between the width and length of a rectangle having an area of 48 square inches. Which graph shows the relationship between the width and the length?

• 
• 
• 
• 

A sub store sells 30 subs each hour. Write an equation using two variables to show the relationship between the number of subs n the sub store sells in h hours.

• n = 30h

• h = 30n

• 30h

• 30n

A sub store sells 30 subs each hour. How many subs does the store sell in 3 hours?

• 120 subs

• 30 subs

• 60 subs

• 90 subs