1.
Describe the correlation in the given relationship.The distance a person runs and how physically tired that person is.
2.
Describe the correlation in the given relationship.The number of cats in a barn and the number of mice in that barn.
3.
Describe the correlation in the given relationship.The number of miles driven and the number of gallons of gas left in the tank.
4.
Describe the correlation in the given relationship.The age of a person and the amount of broccoli that person eats.
5.
Describe the correlation in the given relationship.The number of first downs an offense makes in a football game and the number of punts in that game.
6.
Which of the following graphs shows a positive correlation?
7.
Which of the following graphs shows a negative correlation?
8.
Which of the following graphs might best show the length of a pencil as a function of the number of times it is sharpened?
9.
Which of the following graphs might best show the grade average of a student as a function of the number of hours spent studying?
10.
Which of the following graphs might best show the frequency of flossing teeth and number of trips to eye doctor?
11.
Determine whether the sequence appears to be an arithmetic sequence. If so, find the common difference.−1, −3, −9, −27, ...
A.
Not an arithmetic sequence
B.
Arithmetic sequence; common difference is 3
C.
Arithmetic sequence; common difference is −3
12.
Choose the scatter plot that best represents the relationship between the number of movie tickets sold and the amount of concession sales.
13.
Choose the scatter plot that best represents the relationship between the number of movie tickets sold and the number of available seats.
14.
Determine whether the sequence appears to be an arithmetic sequence. If so, find the common difference.3, −2, −7, −12, …
A.
Not an arithmetic sequence
B.
Arithmetic sequence; common difference is 3
C.
Arithmetic sequence; common difference is −5
15.
Determine whether the sequence appears to be an arithmetic sequence. If so, find the common difference.2, 4, 8, 16…
A.
Not an arithmetic sequence
B.
Arithmetic sequence; common difference is 2
C.
Arithmetic sequence; common difference is 16
16.
Determine whether the sequence appears to be an arithmetic sequence. If so, find the common difference.165, 150, 135, 120, …
A.
Not an arithmetic sequence
B.
Arithmetic sequence; common difference is 15
C.
Arithmetic sequence; common difference is −15
17.
Find the 60^{th} term of the arithmetic sequence.−20, −8, 4, 16, …
18.
Find the 35^{th} term of the arithmetic sequence.32, 35, 38, 41, …
19.
Find the 41^{st} term of the arithmetic sequence given a_{1} = 120 and d = −7.
20.
Find the 21^{st} term of the arithmetic sequence given a_{1} = 24 and d = −3.