Question 1 (4 points)
(07.07)
True or False?

When Samantha includes more batteries in her project, the current in her project increases. Current is the independent variable in this situation. (4 points)

True
False
Question 2 (4 points)
(07.07)
Byron can earn money for the lollipops he sells. Which of the following statements describes the variables in this situation correctly? (4 points)

a
The amount of money earned is the dependent variable because it affects the number of lollipops sold.

b
The number of lollipops sold is the dependent variable because it affects the amount of money earned.

c
The amount of money earned is the independent variable because it affects the number of lollipops sold.

d
The number of lollipops sold is the independent variable because it affects the amount of money earned.

Question 3 (4 points)
(07.07)
Ethan's bus is traveling at a speed of 35 miles per hour. If m represents the distance the bus has traveled and n represents the time it has spent traveling, which of the following equations shows the relationship between m and n? (4 points)

a
m = 35n

b
n = 35m

c
m = 35 + n

d
n = 35 + m

Question 4 (4 points)
(07.07)
It costs $1.58 to buy a bag of popcorn. Which of the following equations shows the amount of money needed, z, to buy n bags of popcorn? (4 points)

a
z = 1.58 + n

b
n = 1.58 + z

c
z = 1.58n

d
n = 1.58z

Question 5 (4 points)
(07.07)
James built a small electric car and recorded the distance it traveled. The table below shows the distance traveled (n) during the first 4 seconds after starting (f).

Elapsed Time
(seconds) Distance Traveled
(feet)
1 6.2
2 12.4
3 18.6
4 24.8
Which of the following equations represents the relationship between the distance traveled and the elapsed time? (4 points)

a
f = 6.2 + n

b
n = 6.2 + f

c
f = 6.2n

d
n = 6.2f