Name ________________________________________ Date __________________ Class __________________ LESSON 4-4 Proportional and Nonproportional Situations Practice and Problem Solving: C Answer the questions below. Number of Dogs Number of Cats 40 50 60 48 24 30 1. The values in the table represent the numbers of dogs and cats at animal shelters. The relationship is linear. Describe the relationship in other ways. _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ 2. The graph shows the amount of time it takes Brittany to jog different numbers of miles. a. Is the relationship proportional or nonproportional? Explain. _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ b. Identify and interpret the slope and y-intercept. _____________________________________________________________________________________ _____________________________________________________________________________________ 3. The variables F, I, and C represent feet, inches, and centimeters respectively. Table C Equation A I 12F Centimeters Inches 5 1.95 8 3.12 22 8.58 Equation B I 0.39C a. Is the relationship between centimeters and inches proportional? Justify your answer in two different ways. _____________________________________________________________________________________ _____________________________________________________________________________________ b. Is the relationship between inches and feet proportional? Why or why not? _____________________________________________________________________________________ _____________________________________________________________________________________ Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor. 83