Proportional and Linear Functions

• Best Diner is always more expensive per person than Ace Diner.

• Ace Diner is always more expensive per person than Best Diner.

• Ace Diner is less expensive per person when there are fewer than 18 people in the group.

• Best Diner is less expensive per person when there are fewer than 18 people in the group.

Katie earns $12 an hour. Which graph represents the relationship between the number of hours Katie works and her earnings, in dollars?

• 
• 
• 
• 

The table shows the amounts of dry pasta, in pounds (lb), Italian Kitchen uses, and the graph shows the amounts of dry pasta Taste of Italy uses. Which of the following statements is false?

• Taste of Italy uses more dry pasta per serving than Italian Kitchen uses.

• Taste of Italy uses 0.25 lb of dry pasta per serving.

• For 100 servings at Italian Kitchen, 25 lb of dry pasta are needed.

Complete the equation for the line:

y = ​ ___x + ​ ___

The table shows a linear relationship. Through which point will the graph of the line pass?

• (-10, -14)

• (-2, 10)

• (10, 20)

• (40, 24)

The table shows the hourly wages, in dollars, Fred and George make at their new job, as well as the amount of money each received as a starting bonus.

After how many hours will Fred and George have made the same total amount of money?

Which table shows a linear function with the same y-intercept as the graph shown?

• 
• 
• 
• 

What type of function is this? If you graphed this, would it make a straight line?

• linear

• nonlinear

What type of function is this?

Graph this and determine if it is a straight line. Choose various values for x, but keep y = 5.

• linear

• nonlinear