<p> Name: </p><p>Algebra Print Activity</p><p>As you work through the Video Interactive, answer the following questions.</p><p>1. What do the variables R and n represent?</p><p>R = n = </p><p>2. a. How many records did the DJ sell? </p><p> b. What is the cost per record? $ </p><p> c. What is the equation relating R and n? =</p><p> d. Determine the revenue using your equation from the previous question. = ( ) Revenue = $</p><p> e. The graph drawn on the left side of the screen is called a </p><p>(bar/line/circle) graph and it appears(above/below) the $0 line.</p><p> f. What amount is labeled on the black bar? $ What quantity does it represent? </p><p>3. What do the variables T and n represent?</p><p>T = n = </p><p>4. a. How many records did the DJ produce? </p><p> b. What is the cost to produce each record? $ </p><p> c. What is the cost of the DJ’s equipment? $ </p><p>Junior High Math Interactives Page 1 of 5 2005 Alberta Education (www.LearnAlberta.ca) </p><p>Patterns and Relations / Algebra / Video Interactive / Print Activity </p><p> d. What is the equation relating T and n? = +</p><p> e. Determine the total expenses using your equation from the previous question. = + ( )</p><p>Total Expenses = $</p><p> f. The new bar that appears on the graph drawn on the left side of the screen </p><p> appears (above/below) the $0 line.</p><p> g. What amount is labeled on the red bar? $ What quantity does it represent? </p><p>5. a. Complete the following statement.</p><p>Profit = - (Revenue/Expenses) (Revenue/Expenses)</p><p> b. Determine the DJ’s total profit by completing the equation. - Profit = </p><p>Profit = $</p><p> c. The graph animates to display a solid bar which represents the . This solid bar appears the (revenue/expenses/profit) (red/black) (above/below)</p><p>$0 line which indicates the profit is (positive/negative/zero) .</p><p>Using the Video Interactive as a guide, answer the following questions.</p><p>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.</p><p>R = 8n R = 8 ( )</p><p>Revenue = $ b. The DJ produced 50 records at a cost of $3 each and his equipment cost </p><p>Junior High Math Interactives Page 2 of 5 2005 Alberta Education (www.LearnAlberta.ca) </p><p>Patterns and Relations / Algebra / Video Interactive / Print Activity </p><p>$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.</p><p>T = 62 + 3n T = 62 + 3 ( ) </p><p>Total Expenses = $ </p><p> c. Determine the DJ’s total profit using the equation.</p><p>Profit = Revenue – Expenses Profit = -</p><p>Profit = $</p><p> d. The final animated graph would appear as a solid (red/black) bar (above/below) </p><p> the $0 line which indicates that the profit is(positive/negative/zero) . </p><p>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.</p><p>R = 4n R = 4 ( )</p><p>Revenue = $</p><p> 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.</p><p>T = 43 + 7n T = 43 + 7 ( ) </p><p>Total Expenses = $ </p><p>Junior High Math Interactives Page 3 of 5 2005 Alberta Education (www.LearnAlberta.ca) </p><p>Patterns and Relations / Algebra / Video Interactive / Print Activity </p><p> c. Determine the DJ’s total profit using the equation.</p><p>Profit = Revenue – Expenses Profit = -</p><p>Profit = $</p><p> d. The final animated graph would appear as a solid (red/black) bar (above/below) </p><p> the $0 line which indicates the profit is (positive/negative/zero) .</p><p>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.</p><p>R = 8n R = 8 ( )</p><p>Revenue = $</p><p> 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.</p><p>T = 100 + 6n T = 100 + 6 ( ) </p><p>Total Expenses = $ </p><p> c. Determine the DJ’s total profit using the equation.</p><p>Profit = Revenue – Expenses Profit = -</p><p>Profit = $</p><p> d. The final animated graph would disappear to indicate that the profit is </p><p>(positive/negative/zero) . </p><p>Junior High Math Interactives Page 4 of 5 2005 Alberta Education (www.LearnAlberta.ca) </p><p>Patterns and Relations / Algebra / Video Interactive / Print Activity </p><p>Junior High Math Interactives Page 5 of 5 2005 Alberta Education (www.LearnAlberta.ca) </p><p>Patterns and Relations / Algebra / Video Interactive / Print Activity </p>