Rate of Change Answers

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1
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⇒ 50

Answers:
Blank 1:50
Blank 2:35
3

⇒ 60

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

⇒ 4

Answer:

4

5

⇒ 50

Answer:

50

6

✔ –5–1/51/55

A
✔ –5
B
–1/5
C
1/5
D
5
7

Question text not available

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
10

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)
12

Interpret the average rate of change of –14/3 that you found previously. What does this mean in terms of the waterslide, from x = 0 to x = 15?

Answer:

On average, the waterslide drops 14 feet for every 3 feet of horizontal distance (or about 4.7 feet per 1 foot horizontally) from x = 0 to x = 15.

13

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.
14

Why have all the rates of change in this assignment been negative? Explain.

Answer:

All the rates of change have been negative because the problems involve going down a waterslide. To model a slide, you start at the highest point and then decrease in height as you move down. The rate of change compares a drop or decrease in vertical height to an increase in either time or horizontal distance, which results in a negative rate.

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

faster than✔ slower thanthe same amount as

A
faster than
B
✔ slower than
C
the same amount as
17

Question text not available

Answers:
Blank 1:5
Blank 2:10/3
18

(, 40)

Answer:

5

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