Proportional Relationships STAAR Practice

At a school carnival, tickets can be purchased to participate in different activities. The table shows the total cost for different numbers of tickets.

What is the constant of proportionality that relates y, the total cost in dollars, to x, the number of tickets purchased?

A diver descended 64 feet underwater after 4 minutes. After 6 minutes, the diver had descended 96 feet underwater.

What is the constant of proportionality that relates to the number of feet descended, y, to the number of minutes, x?

A recipe for trail mix requires 1.5 cups of nuts for every cup of dried fruit. Create a graph to represent y, the number of cups of nuts required for x cups of dried fruit.

Select the 3 points that would be on the graph.

A snail moving at a constant rate traveled a distance of 20 inches in 1/2 hour. Create a graph to represent y, the number of inches the snail traveled in x hours.

Select 4 points that would be on the graph.

A family makes homemade pickes. They pack the pickes at a rate of 80 pickes per 5 jars.

Which answer choices best represent packing y pickles in x jars at that rate? (Select 2)

A dog eats 1.25 cups of dog food twice a day. Which graph best represents this relationship?

A dolphin travels through the water at a speed of 25 kilometers per hour. Which representation shows the distance a dolphin can travel at this rate?

Caroline’s cell phone plan costs $32 per month. Which table shows the sum of the amounts that Caroline will pay for her cell phone plan over the next 4 months?