Print Activity for ALGEBRA
Algebra Print Activity
As you work through the Video Interactive, answer the following questions.
1. What do the variables R and n represent?
R =
n =
2. a. How many records did the DJ sell?
b. What is the cost per record? $
c. What is the equation relating R and n?
d. Determine the revenue using your equation from the previous question.
e. The graph drawn on the left side of the screen is called a
graph and it appears the $0 line.
f. What amount is labeled on the black bar? $
What quantity does it represent?
3. What do the variables T and n represent?
T =
n =
4. a. How many records did the DJ produce?
b. What is the cost to produce each record? $
c. What is the cost of the DJ’s equipment? $
d. What is the equation relating T and n?
e. Determine the total expenses using your equation from the previous question.
f. The new bar that appears on the graph drawn on the left side of the screen
appears the $0 line.
g. What amount is labeled on the red bar? $
What quantity does it represent?
5. a. Complete the following statement.
Profit = -
b. Determine the DJ’s total profit by completing the equation.
Profit =
Profit = $
c. The graph animates to display a solid bar which represents the
. This solid bar appears the
$0 line which indicates the profit is .
Using the Video Interactive as a guide, answer the following questions.
6. a. The DJ sells 50 records at $8 each. His revenue, R dollars, can be
represented by the formula R = 8n, where n is the number of records sold.
Determine the revenue using the equation.
R = 8n
R = 8 ( )
Revenue = $
b. The DJ produced 50 records at a cost of $3 each and his equipment cost
$62. His total expenses, T dollars, can be represented by the formula
T = 62 + 3n, where n is the number of records produced. Determine the expenses using the equation.
T = 62 + 3n
T = 62 + 3 ( )
Total Expenses = $
c. Determine the DJ’s total profit using the equation.
Profit = Revenue – Expenses
Profit = -
Profit = $
d. The final animated graph would appear as a solid bar
the $0 line which indicates that the profit is .
7. a. The DJ sells 60 records at $4 each. His revenue, R dollars, can be
represented by the formula R = 4n, where n is the number of records sold.
Determine the revenue using the equation.
R = 4n
R = 4 ( )
Revenue = $
b. The DJ produced 60 records at a cost of $7 each and his equipment cost
$43. His total expenses, T dollars, can be represented by the formula
T = 43 + 7n, where n is the number of records produced. Determine the expenses using the equation.
T = 43 + 7n
T = 43 + 7 ( )
Total Expenses = $
c. Determine the DJ’s total profit using the equation.
Profit = Revenue – Expenses
Profit = -
Profit = $
d. The final animated graph would appear as a solid bar
the $0 line which indicates the profit is .
8. a. The DJ sells 50 records at $8 each. His revenue, R dollars, can be
represented by the formula R = 8n, where n is the number of records sold.
Determine the revenue using the equation.
R = 8n
R = 8 ( )
Revenue = $
b. The DJ produced 50 records at a cost of $6 each and his equipment cost
$100. His total expenses, T dollars, can be represented by the formula
T = 100 + 6n, where n is the number of records produced. Determine the expenses using the equation.
T = 100 + 6n
T = 100 + 6 ( )
Total Expenses = $
c. Determine the DJ’s total profit using the equation.
Profit = Revenue – Expenses
Profit = -
Profit = $
d. The final animated graph would disappear to indicate that the profit is
.
Junior High Math Interactives Page 3 of 4
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Patterns and Relations / Algebra / Video Interactive / Print Activity