AnswersCA-Mathematics IQuantitative Reasoning

Quantitative Reasoning Answers

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4

A car increases, then decreases, its speed. Which table could represent the speed of the car?

A
A 2-column table with 5 rows. The first column is labeled time (minutes) with entries 5, 6, 7, 8, 9. The second column is labeled speed (miles per hour) with entries 45, 43, 41, 42, 43.
Option A
B
A 2-column table with 5 rows. The first column is labeled time (minutes) with entries 5, 6, 7, 8, 9. The second column is labeled speed (miles per hour) with entries 45, 47, 49, 48, 47.
Option B
C
A 2-column table with 5 rows. The first column is labeled time (minutes) with entries 5, 6, 7, 8, 9. The second column is labeled speed (miles per hour) with entries 45, 45, 45, 43, 41.
Option C
D
A 2-column table with 5 rows. The first column is labeled time (minutes) with entries 5, 6, 7, 8, 9. The second column is labeled speed (miles per hour) with entries 45, 43, 41, 41, 41.
Option D
7

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.
8

The help desk is keeping track of the number of minutes the average caller spends on hold.

Question illustration
A
week 1 to week 3
B
week 1 to week 4
C
week 4 to week 6
D
week 3 to week 5
9

The graph shows the speed of Sam’s car over time.

Question illustration
A
His car is stopped.
B
His car is speeding up.
C
His car is slowing down.
D
His car is traveling at a constant speed.
10

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.

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