7.4.A Represent constant rates of change in mathematical/real-world problems

Quiz by Texas Education Agency

Mathematics
Texas Essential Knowledge and Skills (TEKS)

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### Measures 1 skill fromGrade 7MathematicsTexas Essential Knowledge and Skills (TEKS)

7.4.A: Proportionality

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6 questions
• Q1
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?
#texas/c0a81159-6d57-4149-b65e-d5029707b7d0/B.png
#texas/c0a81159-6d57-4149-b65e-d5029707b7d0/C.png
#texas/c0a81159-6d57-4149-b65e-d5029707b7d0/A.png
#texas/c0a81159-6d57-4149-b65e-d5029707b7d0/D.png
60s
7.4.A: Proportionality
• Q2
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?
In 5 hours a dolphin can travel a distance of 135 kilometers.
#texas/6abe8ef1-43d1-4222-a449-ede53be76456/A.png
#texas/6abe8ef1-43d1-4222-a449-ede53be76456/C.png
y = x + 25, where x represents the time in hours and y represents the distance in kilometers
60s
7.4.A: Proportionality
• Q3
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?
#texas/aa560a33-65d2-4344-b4d3-1f78c9e7c926/B.png
#texas/aa560a33-65d2-4344-b4d3-1f78c9e7c926/A.png
#texas/aa560a33-65d2-4344-b4d3-1f78c9e7c926/D.png
#texas/aa560a33-65d2-4344-b4d3-1f78c9e7c926/C.png
60s
7.4.A: Proportionality
• Q4
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?
#texas/92f3bcf3-fea5-4a17-ba94-4e30f7c95f03/D.png
#texas/92f3bcf3-fea5-4a17-ba94-4e30f7c95f03/A.png
#texas/92f3bcf3-fea5-4a17-ba94-4e30f7c95f03/B.png
#texas/92f3bcf3-fea5-4a17-ba94-4e30f7c95f03/C.png
60s
7.4.A: Proportionality
• Q5
Which of these does NOT represent the distance a car travels when going 55 miles per hour?
#texas/3a26547d-6b49-46f2-b1ac-8682cabe0a40/B.png
d = 55t, where d represents distance in miles and t represents time in hours
#texas/3a26547d-6b49-46f2-b1ac-8682cabe0a40/D.png
In 3 hours a car will travel a distance of 160 miles.
60s
7.4.A: Proportionality
• Q6
An artist is making a scale model of a statue. On the model 2 inches represents 1 foot on the actual statue. Which graph best represents this relationship?
#texas/69bfef59-a9cd-4f69-a18e-fb8e2e145933/D.png
#texas/69bfef59-a9cd-4f69-a18e-fb8e2e145933/B.png
#texas/69bfef59-a9cd-4f69-a18e-fb8e2e145933/C.png
#texas/69bfef59-a9cd-4f69-a18e-fb8e2e145933/A.png
60s
7.4.A: Proportionality

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