A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change?
a)
200
b)
150
c)
300
d)
75
2.
At 0 seconds, Mrs. Taylor was 10 feet off the ground. At 5 seconds, she was 20 feet off the ground. What is her rate in feet per second?
a)
10 feet per second
b)
5 feet per second
c)
2 feet per second
d)
6 feet per second
3.
Average Rate of Change is also known as...
a)
y-intercept
b)
x-intercept
c)
linear
d)
slope
4.
How would you describe the slope in the picture?
a)
Positive
b)
Negative
c)
Zero
d)
Undefined
5.
How would you describe the slope in the picture?
a)
Positive
b)
Negative
c)
Zero
d)
Undefined
6.
A rocket is 1.5 miles above the Earth in 20 seconds and is 8 miles above the Earth in 2 minutes. What is the rocket's rate of change in miles per second?
a)
0.065 mps
b)
0.361 mps
c)
3.892 mps
d)
4.145 mps
7.
The Jamison family kept a log of the distance they traveled during a trip, as represented by the graph below. During which interval was their average speed the greatest?
a)
the first hour to the second hour
b)
the second hour to the fourth hour
c)
the sixth hour to the eighth hour
d)
the eighth hour to the tenth hour
8.
The table below shows the snowfall in a north-eastern city in inches for the first week in January.
Find the average rate of change in the number of inches of snowfall from January 8 to January 11.
a)
2/3 in/day
b)
2 in./day
c)
3 in./day
d)
6 in./day
9.
Find the average rate of change of Pete's height from 3 years old to 5 years old.
a)
2 inches per year
b)
8 inches per year
c)
2 years
d)
4 inches per year
10.
What is Mrs. Gordon's rate from 0 to 2 seconds?
a)
2.5 feet per second
b)
.4 feet per second
c)
5 feet per second
d)
.2 feet per second
11.
Which of the following intervals has the largest average rate of change?
a)
[13,14]
b)
[13, 17]
c)
[16, 17]
d)
[16, 19]
12.
A store sees 120 customers in 8 hours. How many customers will there be in an hour? Select all that apply in solving this question.
a)
Only find unit rate
b)
Find AND use the unit rate
c)
15 customers
d)
1/15 customers
13.
If Justin can type 408 words in 4 minutes, how many words can he type in 7 minutes? How can one approach this question?
a)
Only find unit rate
b)
Finding AND use the unit rate
14.
I paid $15.00 for 6 gallons of gasoline. What was the price per gallon? What approach can one use to solve this problem?
a)
Only find unit rate
b)
Finding AND use the unit rate
15.
A jet travels 530 miles in two hours. At this rate, how far can the jet travel in 11 hours? Select all that apply.
a)
2530
b)
265 miles
c)
2,915 miles
d)
2530x11
16.
Will spent $3.75 for 3 pounds of granola. What is the price of one pound of granola? Select all that apply.
a)
3.75×3
b)
33.75
c)
$11.25
d)
$1.25
17.
Which is the better deal buying?
Oreos$2.98 for 15 oz
OR
Chips Ahoy$2.50 for 14 oz
a)
Oreos at $2.98 for 15 oz
b)
Chips Ahoy at $2.50 for 14 oz
18.
You can buy 3 apples for $1.20. What is the price of 10 apples? How do you approach this question?