Review for Test 5

Triangles XYZ and ZVU are similar right triangles. Which proportion can be used to show that the slope of XZ is equal to the slope of ZU?

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Triangle HJK and triangle PMK are similar right triangles. The coordinates of all the vertices are integers. Which statement is true about the slope of HK and the slope of PK?

Darin recorded the height of a tree he planted from a seed at different time intervals. His data is shown in the table. Based on this information, which graph represents the height of the tree each year?

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The graph displays the distance a CO₂ car traveled in a race. Which statement is a correct interpretation of the slope of the line in the graph?

• The CO2 car traveled 5 seconds per foot.

• The CO2 car traveled 5 feet per second.

• The CO2 car traveled 2.5 seconds per foot.

• The CO2 car traveled 2.5 feet per second.

Madison was practicing for a bicycle race. Three different people recorded the distance she traveled in miles per hour. When Madison observed the graphs from all three people, she noticed that the rate she traveled was the same but all the graphs looked different. Which graph does NOT represent Madison’s rate and the distance she traveled?

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Grace’s family is going to the carnival this weekend. The total cost for her family to attend the carnival was $24 for the family of 6. Which graph models this relationship and the unit rate?

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Joel has been earning money by doing yard work in his neighborhood. He earns $4.50 per hour. Which graph represents this relationship?

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The table of values represents the relationship between y, the amount of water left in the tub, in liters, and x, the time, in minutes, the tub has been draining.

Determine the speed the tub is draining water in liters per minute.