Rate of Change Answers

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The graph shows the side view of a waterslide. Dimensions are in feet.

Answers:
Mel’s rate of change is . That means that her height in the air decreases feet every second.:–5
Victor’s rate of change is . That means that his height in the air decreases feet every second.:–10/3
3

Question text not available

Answers:
Blank 1:60
Blank 2:4
Blank 3:50
4

⇒ 4

Answer:

4

5

⇒ 50

Answer:

50

6

Mel: (2, [___]) and (5, [___])

Answer:

(2, 50) and (5, 35)

7

✔ –5–1/51/55

Answers:
Mel’s rate of change is . That means that her height in the air decreases feet every second.:–5
Victor’s rate of change is . That means that his height in the air decreases feet every second.:–10/3
9

Select the points you need to calculate the average rate of change from the beginning of the slide to when the slide has covered a horizontal distance of 15 feet.

A
(0, 80)
B
(5, 40)
C
(10, 20)
D
(15, 10)
10

faster than✔ slower thanthe same amount as

A
faster than
B
✔ slower than
C
the same amount as
12

(, 40)

Answer:

5

14

Which of the following facts did you include in your explanation?

A
On average, the slide drops 14 feet for every 3 feet of horizontal distance.
B
On average, the slide drops about 4.7 feet for every 1 foot of horizontal distance.
15

Which of the following facts did you include in your response?

A
The problems have involved going down a waterslide.
B
To model a slide, you start at the highest point and then decrease as you move down the slide.
C
The rate of change has compared a drop or decrease in vertical height to an increase in either time or horizontal distance.
16

Victor: (1, [___]) and ([___], [___])

Answer:

(1, 60) and (4, 50)

17

✔ –10/3–3/103/1010/3

A
✔ –10/3
B
–3/10
C
3/10
D
10/3

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