TEKS.MATH.7.4A

What is the average rate of change from x=-1 and x=0?

• -2
• -1/2
• 2
• 1/2

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TEKS.MATH.7.4A

A group of students were asked about their favorite foods. Out of the 50 students surveyed, 30 listed pizza among their favorite foods. At that rate, if 190 students were surveyed, how many would you expect to list pizza as a favorite food?

• 114
• 55
• 48
• 168

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TEKS.MATH.7.4A

Krystle is selling magazine subscriptions as part of a school fundraiser. During the first 72 days of the fundraiser Krystle sold 56 subscriptions. If Krystle maintained that rate, how many subscriptions would Krystle sell in a 216-day period?

• 168
• 55
• 48
• 114

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TEKS.MATH.7.4A

Does this graph represent a proportional relationship?

• Yes
• No

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TEKS.MATH.7.4A

Write an equation for this situation.

• y=9.75x
• y=19x
• y=19.25x
• y=9.5x

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TEKS.MATH.7.4A

TEKS.MATH.7.7A

Find the SLOPE

• 3
• -3
• 20
• Not a constant slope/Non-Linear

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TEKS.MATH.7.4A

TEKS.MATH.7.7A

Write an equation for this relationship.

• y = 18x
• y = 18.50x
• y = 22.50x
• y = 22x

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TEKS.MATH.7.4A

What equation matches this graph?

• y = 2x + 2
• y = 3/2x + 2
• y = 1/2x + 2
• y = 2/3x + 2

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TEKS.MATH.7.4A

TEKS.MATH.7.7A

Who has the greater rate of change?

• Braden has the greater rate of change with 60/3
• Omar has the greater rate of change with 100
• Braden has the greatest rate of change with 60
• They both have the same rate of change

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TEKS.MATH.7.4A

TEKS.MATH.8.4A

A sprinter runs 400 meters in 54 seconds. What is the runner’s average running rate in meters per second? Round to the nearest tenth. 

• 8.5 meters per second
• 7.8 meters per second
• 7.4 meters per second
• 6.8 meters per second

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TEKS.MATH.7.4A