Monday Math MADNESS! You will need a sheet of paper numbered 1-5. You will have 2 MINUTES to complete each problem Each slide will automatically change. The time indicator is shown at the bottom. This activity will be collected by your MATHEMATICS teacher. BAT MINI: g8ma_Big_Idea_1 8th Grade, April 8, 2013

Monday Math MADNESS! 1. Pedro drained his aquarium to clean out the algae. His aquarium contains 50 gallons of water before he starts to drain it. The water flows out of the aquarium at a constant rate. Which graph represents the capacity of water from the time he starts to drain it until the time the tank is empty?

Monday Math MADNESS! 2. The following graph was displayed in class. Which equation best represents the graph above?

Monday Math MADNESS! 3. Tina and Anthony start a dog-walking business. The plotted values on the graph below show how their profits increase as the number of dogs they walk increases. What does the x-intercept of the line represent? a. They must walk four dogs per day. c. Each dog walk earns four dollars. b. They break even if they walk four dogs. d. They earn no money for the fourth dog walked.

JOANNE’S CALORIE COUNTER Monday Math MADNESS! 4. The number of calories burned for every mile walked depends on a person’s body weight. Joanne completed the table below to show y the total number of calories she burns if she walks x miles. JOANNE’S CALORIE COUNTER Which equation best represents the data in the table? a. y = 30 + x c. y = 30x b. y = x - 30 d. y = x Π 30 Number of Miles Walked Total Number of Calories Burned 1 30 2 60 3 90 4 120 5 150

Monday Math MADNESS! 5. The height of an object h dropped from the top of a building 100 feet tall depends on the time t, in seconds, since it has been dropped. The height of an object dropped from 100 feet after t seconds is shown in the table below. Based on this information, which of the following is a valid statement about the data? a. The data are discrete with a range of 0 £ x £ 2.5. c. The data are discrete with a range of {100, 84, 64, 36, 0} b. The data are continuous with a range of 0 £ x £ 2.5. d. The data are continuous with a range of 100.