AnswersRVACR Reading Common Core Algebra IQuantitative Reasoning

Writing and Solving Equations in Two Variables Answers

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1
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The graph represents the heights of two climbers on a climbing wall over a 12-minute time period.

Question illustration
A
Brynn was resting at a constant climbing height when Abby’s climbing height was decreasing.
B
Abby’s climbing height was decreasing when Brynn’s climbing height was increasing.
C
The heights of both climbers increased, then decreased, with no rest at a constant height.
D
Both climbers rested on the wall at a constant height for 2 minutes.
2
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The table shows the height of the tree that Margo planted over an 11-month period.

Question illustration
A
The tree increased in height each month during the entire 11-month period.
B
The tree decreased in height each month during the entire 11-month period.
C
The tree increased in height each month until the time period between month 9 and month 11.
D
The tree decreased in height each month until the time period between month 9 and month 11.
3

The table shows the total distance that Myra runs over different time periods.

Question illustration
A
increasing
B
decreasing
C
zero
D
constant
4

The graph represents a person’s heart rate in beats per minute during 30 minutes of exercise.

Question illustration
A
The heart rate increases for 6 minutes, remains constant for 19 minutes, and then gradually increases for 5 minutes.
B
The heart rate decreases for 6 minutes, remains constant for 19 minutes, and then gradually increases for 5 minutes.
C
The heart rate increases for 6 minutes, remains constant for 19 minutes, and then gradually decreases for 5 minutes.
D
The heart rate remains constant for 6 minutes, increases for 19 minutes, and then gradually decreases for 5 minutes.
5

The graph below represents the speeds of Kael and Lynn as they run around a track.

Question illustration
A
12
B
17
C
23
D
28
6

The table represents the amount of storage space, in megabytes, used by music files on Zayd’s computer.

Question illustration
A
As the number of files remains constant, the storage space used decreases.
B
As the number of files remains constant, the storage space used increases.
C
As the number of files increases, the storage space used decreases.
D
As the number of files increases, the storage space used increases.

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