8th Grade Math STAAR Category 2 Part 3

Frank and his family drove 6 hours every day during a road trip. Which graph best represents y, the total number of hours driven in x days.

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During migration a butterfly can travel 30 miles in 1 hour. Which graph best represents y, the number of miles a butterfly can travel in x hours?

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On a field trip there are 3 adults for every 45 students. Which graph models the relationship with the same unit rate?

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Which equation best represents the relationship between x and y in the graph?

• y = 3x + 2

• y = -3x - 6

• y = 3x - 6

• y = -3x + 2

• (-4, 0)

• (-2, 1)

• (0, -4)

• (1, -2)

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