Cricket Temperature Math 8 Unit 5 Task The number of chirps per minute that some crickets make is related to the temperature. The relationship is very close to being a linear relationship. Student Directions: When the crickets chirped 172 times a minute, the temperature was 80째 F. Likewise, when the crickets chirped 124 times a minute, the temperature was 68째 F. Plot the information on a coordinate plane. Draw a straight line through the two points. Use the y-axis for the temperature and the x-axis for the chirps per minute.
From the graph, find the following:
1. 2. 3. 4. 5. 6.
The temperature when the crickets chirp 100 times/min._____ The temperature when the crickets chirp 160 times/min._____ The temperature when the crickets chirp 60 times/min._____ The number of chirps/min. when the temperature is 60째F.___ The number of chirps/min. when the temperature is 70째F.___ The number of chirps//min. when the temperature is 50째F.___
Write an equation in slope-intercept form that shows the relationship between the chirps per minute and the temperature.
From your equation identify the slope and describe its meaning in this situation. From your equation identify the y-intercept and describe its meaning in this situation.