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Name: ________________________________________ Date: _____________ Linear Equation Real Life Problems Problem #1 The equation C = $0.15m + $49.95 represents the total cost (C) of your monthly cell phone bill, where m represents the number of minutes you go over that month. 1) What is the slope of the line represented by the given equation? A. $0.15 B. $49.95 C. $0.15m D. $49.95m 2) What does the slope represent in this situation? A. The number of minutes you go over B. The total cell phone cost C. The amount you pay per minute you go over D. The amount of money you pay regardless of the minutes you use 3) What is the y-intercept of the line? A. $0.15 B. $49.95 C. $0.15m D. $49.95m 4) What does the y-intercept represent in this situation? A. The number of minutes you go over B. The total cell phone cost C. The amount you pay per minute you go over D. The amount of money you pay regardless of the minutes you use Problem #2 The equation F = $3.00 + $2.00m represents the total cab fee (F) a cab company charges for m number of miles you ride the cab. 5) What is the slope of the line represented by the given equation? A. $2.00m B. $3.00 C. $3.00m D. $2.00 6) What does the slope represent in this situation? A. The total fee you pay to use the cab B. The amount you pay the cab company regardless of the number of miles C. The amount you pay per mile D. The number of miles you go 7) What is the y-intercept of the line? A. $2.00m Name: ________________________________________ Date: _____________ B. $3.00 C. $3.00m D. $2.00 8) What does the y-intercept represent in this situation? A. The total fee you pay to use the cab B. The amount you pay the cab company regardless of the number of miles C. The amount you pay per mile D. The number of miles you go Problem #3 The equation C = 5/9F - 160/9 represents the temperature in Celsius (C) for the number of degrees in Fahrenheit (F). 9) What is the slope of the line represented by the given equation? A. 160/9 B. -160/9 C. 5/9 D. 5/9F 10) What does the slope represent in this situation? A. The number of degrees in Fahrenheit B. The total number of degrees in Celsius C. What you have to multiply the Fahrenheit temperature by D. The number you add to the formula after you multiply your Fahrenheit temperature by 5/9 11) What is the y-intercept of the line? A. 160/9 B. -160/9 C. 5/9 D. 5/9F 12) What does the y-intercept represent in this situation? A. The number of degrees in Fahrenheit B. The total number of degrees in Celsius C. What you have to multiply the Fahrenheit temperature by D. The number you add to the formula after you multiply your Fahrenheit temperature by 5/9 Name: ________________________________________ Date: _____________ Problem #4 The equation P = $20,000 + $200x represents the yearly pay (P) a salesman receives for the number of x extra sales he makes. 13) What is the slope of the line represented by the given equation? A. $20,000 B. $200 C. $20,000x D. $200x 14) What does the slope represent in this situation? A. The amount of money the salesman makes per extra sale B. The amount of extra sales the salesperson makes C. The total amount of money the salesperson makes that year D. The amount of money the salesperson makes regardless of the number of extra sales 15) What is the y-intercept of the line? A. $20,000 B. $200 C. $20,000x D. $200x 16) What does the y-intercept represent in this situation? A. The amount of money the salesman makes per extra sale B. The amount of extra sales the salesperson makes C. The total amount of money the salesperson makes that year D. The amount of money the salesperson makes regardless of the number of extra sales Problem #5 The equation C = $5.00r + $25.00 represents the total cost of going to the circus after buying r refreshments. 17) What is the slope of the line represented by the given equation? A. $25.00 B. $25.00r C. $5.00 D. $5.00r 18) What does the slope represent in this situation? A. The number of refreshments bought at the circus B. The cost per refreshment you buy C. The amount you pay for going to the circus. D. The price of the circus ticket 19) What is the y-intercept of the line? Name: ________________________________________ Date: _____________ A. $25.00 B. $25.00r C. $5.00 D. $5.00r 20) What does the y-intercept represent in this situation? A. The number of refreshments bought at the circus B. The cost per refreshment you buy C. The amount you pay for going to the circus. D. The price of the circus ticket