STAAR Review #3

Isabella is comparing the values listed. Which list shows the values in descending order?

Which of the following representations correctly displays a relationship between sets of real numbers?

• 
• 
• 
• 

• 300

• .03

• .003

• 3.00

Ariel is emptying the water from a 10 gallon cooler. The graph shows the water level in the cooler as she empties it. Which best describes the rate of change shown in the graph?

• The water level decreases 10 gallons per second.

• The water level decreases 1 gallon every 2 seconds.

• The water level decreases 3 gallons every 2 seconds.

• The water level decreases 2 gallons every 3 seconds.

The set of ordered pairs represents y as a function of x. Which of the following could be the missing ordered pair?

• (9, -8)

• (-3,9)

• (-9,8)

• (6,-2)

The graph shows the amount in Harold's savings account over a certain number of weeks. Find the rate of change.

• 10.5

• -10.5

• 2.5

• -2.5

The table shows the amount a catering company charges based on the number of people at an event. Which of the following equations shows the relationship between c, the amount the company charges based on p, the number of people at the event?

The graph shows the number of hours Rue and Zoe have been working at their jobs, as well as how much money they've earned. Which is a correct conclusion about the information shown in the graph?

• After 24 hours, Rue and Zoe will have earned the same amount of money.

• After 4 hours, Zoe will have earned $12 more than Rue.

• After 4 hours, Rue will have earned $12 more than Zoe.

• After 4 hours, Rue and Zoe will have earned the same amount of money.

Triangle JKL is shown. Which of the following is not a true statement about the angles in the triangle?