1. The graph represents the heights of two climbers on a climbing wall over a 12-minute time period.
A graph where the horizontal axis shows time (minutes), numbered 1 to 12, and the vertical axis shows height (feet) numbered 2 to 24. The line labeled Brynn's climb begins at 0 feet in 0 minutes, to 15 feet from 5 to 7 minutes, to 0 feet in 10 minutes. The line labeled Abby's climb begins at 4 feet in 0 minutes, to 14 feet from 4 to 6 minutes, to 22 feet in 8 minutes, to 0 feet in 12 minutes.
How high did Abby climb above her original starting position?
8 feet
15 feet
18 feet
22 feet
2. The table shows the height of the tree that Margo planted over an 11-month period.
A 2-column table with 6 rows titled Growth of Margo's Tree. The first column is labeled Month with entries 1, 3, 5, 7, 9, 11. The second column is labeled Height of Tree (feet) with entries 1.4, 1.5, 2.1, 2.7, 3.0, 1.8.
Which statement can be supported by the information in the table?
The tree increased in height each month during the entire 11-month period.
The tree decreased in height each month during the entire 11-month period.
The tree increased in height each month until the time period between month 9 and month 11.
The tree decreased in height each month until the time period between month 9 and month 11.
3. The graph below represents the distance of a dog from a trainer after a command is given.
A graph titled Dog Obedience School. The horizontal axis shows Time (seconds), numbered 1 to 10, and the vertical axis shows Distance (yards) numbered 4 to 40. The line shows an increase, then decrease, then constant distance.
Which statement could describe the dog’s movement at 5 seconds once the command was given?
The dog stopped to lie down and obey the trainer’s command.
The dog was running towards the trainer.
The dog was running away from the trainer.
The dog was stopped but began running towards the trainer.
4. The graph represents a person’s heart rate in beats per minute during 30 minutes of exercise.
A graph titled Cardiac Exercise. The horizontal axis shows time (minutes), numbered 3 to 30, and the vertical axis shows Heart Rate (b p m) numbered 15 to 150. The line starts at 75 b p m in 0 minutes, to 135 b p m from 6 to 25 minutes, and ends at 105 b p m at 30 minutes.
Which statement best describes the relationship between heart rate and time during exercise?
The heart rate increases for 6 minutes, remains constant for 19 minutes, and then gradually increases for 5 minutes.
The heart rate decreases for 6 minutes, remains constant for 19 minutes, and then gradually increases for 5 minutes.
The heart rate increases for 6 minutes, remains constant for 19 minutes, and then gradually decreases for 5 minutes.
The heart rate remains constant for 6 minutes, increases for 19 minutes, and then gradually decreases for 5 minutes.
5. Luis created the graph below to show the temperature from 8:00 a.m. (8 hours after midnight) until 8:00 p.m.
On this graph, 4:00 p.m. occurs at 16 hours after midnight, and 6:00 p.m. occurs at 18 hours after midnight. Which statements are true about the temperatures Luis recorded on the graph? Select THREE answers.
The temperature increased until 4:00 p.m.
The temperature was not recorded between 4:00 p.m. and 6:00 p.m.
The temperature decreased after 6:00 p.m.
The temperature increased and then decreased before holding constant.
The temperature increased more quickly between 12:00 p.m. and 4:00 p.m. than before 12:00 p.m.
6. Yana is in the school computer lab writing a paper for history class. The graph represents the number of words Yana has written after a number of minutes.
A graph titled History Paper Progress. The horizontal axis shows time (minutes) and the vertical axis shows Words Typed. The line shows an increase in Words Typed, then constant, then decrease, then a sharp increase over time.
Which situation could describe Yana’s activities in the computer lab?
Yana opened her saved paper, wrote, took a break, deleted some of the words, and then began writing again.
Yana began writing a new paper, deleted some of her words, took a break, and then began writing again.
Yana opened her saved paper, deleted some of her words, began writing, and then took a break.
Yana began writing a new paper, took a break, and then deleted some of what she had written.
7. Which graph could represent a constant balance in a bank account over time?
A graph titled Daily Balance. The horizontal axis shows time (days), numbered 1 to 8, and the vertical axis shows Balance (dollars) numbered 5 to 40. The line begins at 35 dollars in 0 days and ends at 0 dollars in 7 days.
A graph titled Daily Balance. The horizontal axis shows time (days), numbered 1 to 8, and the vertical axis shows Balance (dollars) numbered 5 to 40. The line begins at 0 dollars in 5 days and extends vertically to 40 dollars in 5 days.
A graph titled Daily Balance. The horizontal axis shows time (days), numbered 1 to 8, and the vertical axis shows Balance (dollars) numbered 5 to 40. The line begins at 30 dollars in 0 days and ends at 30 dollars in 8 days.
A graph titled Daily Balance. The horizontal axis shows time (days), numbered 1 to 8, and the vertical axis shows Balance (dollars) numbered 5 to 40. The line begins at 0 dollars in 0 days and ends at 40 dollars in 8 days.
8. The graph shows the speed of Jamal’s car over time.
A graph titled Speed of Car. The horizontal axis shows time (hours) and the vertical axis shows speed (m p h). Both axes are unnumbered. A line appears in 4 sections, labeled A, B, C, D. Section A shows a rise in speed over time, sections B and D maintain a level speed over time, and section C shows a reduction in speed over time.
Which best describes what is happening in section B?
Jamal is stopped.
Jamal is speeding up.
Jamal is slowing down.
Jamal is traveling at a constant speed.
9. The table represents the amount of storage space, in megabytes, used by music files on Zayd’s computer.
A 2-column table with 5 rows titled Zayd's Music Storage. The first column is labeled Number of Files with entries 10, 20, 30, 40, 50. The second column is labeled Space Used (Megabits) with entries 15, 30, 45, 60, 75.
Which statement best describes the relationship between storage space and number of music files?
As the number of files remains constant, the storage space used decreases.
As the number of files remains constant, the storage space used increases.
As the number of files increases, the storage space used decreases.
As the number of files increases, the storage space used increases.
3 answers
Here are the answers to your questions:
How high did Abby climb above her original starting position?
Abby's starting position is 4 feet. The highest she reaches is 22 feet. The height climbed above her starting position is \(22 - 4 = 18\) feet.
Answer: 18 feet
Which statement can be supported by the information in the table?
The heights in the table do not consistently increase, especially between months 9 and 11.
Answer: The tree increased in height each month until the time period between month 9 and month 11.
Which statement could describe the dog’s movement at 5 seconds once the command was given?
At 5 seconds, the dog shows a distance decrease from its position, indicating it is approaching the trainer.
Answer: The dog was running towards the trainer.
Which statement best describes the relationship between heart rate and time during exercise?
The heart rate increases from 75 bpm to 135 bpm for the first 6 minutes, remains constant for the next 19 minutes, and then decreases by the end.
Answer: The heart rate increases for 6 minutes, remains constant for 19 minutes, and then gradually decreases for 5 minutes.
Which statements are true about the temperatures Luis recorded on the graph? (Select THREE)
Based on the variable temperatures:
The temperature increased until 4:00 p.m.
The temperature decreased after 6:00 p.m.
The temperature increased and then decreased before holding constant.
Answer: The temperature increased until 4:00 p.m.; The temperature decreased after 6:00 p.m.; The temperature increased and then decreased before holding constant.
Which situation could describe Yana’s activities in the computer lab?
The graph shows an increase in word count, then a constant phase, which could imply breaking, and then a decrease, followed by another increase.
Answer: Yana opened her saved paper, wrote, took a break, deleted some of the words, and then began writing again.
Which graph could represent a constant balance in a bank account over time?
A constant balance means there should be no change in the account balance over time.
Answer: A graph titled Daily Balance that begins at 30 dollars in 0 days and ends at 30 dollars in 8 days.
Which best describes what is happening in section B?
Since section B maintains level speed, it indicates a constant speed.
Answer: Jamal is traveling at a constant speed.
Which statement best describes the relationship between storage space and number of music files?
As the number of files increases, the storage space used also increases proportionally.
Answer: As the number of files increases, the storage space used increases.
70
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