Proportional vs NonProportional Which chart is a proportional

Proportional vs. Non-Proportional

Which chart is a proportional? miles cost 5 10 20 30 38 45 hours miles 1 All different ratios 3 4 217 434 651 868 Is proportional Why? Not proportional Why? 20 30 38 45 5 10 20 30 4 3 1. 9 1. 5 2 217 1 434 2 651 3 868 4 217 217 All the same ratios

Which function is proportional? The function y = 140 x, where y is the miles traveled in x hours, represents the speed of the first Japanese high speed train Is proportional Why? The function y = 0. 5 x + 30, where y represents the total cost in dollars and x represents the miles driven, can be used to find the cost of renting a truck from Ron’s Rental. Not proportional Why? Proportional functions must be in the form of y = mx

100 Which 90 Function 80 Is 70 proportional? 60 50 The 40 graph 30 In 20 blue with 10 the 0 solid line is proportional Y 5 10 15 20 25 30 X Proportional functions must pass through the origin

Which chart is a proportional? miles cost 5 10 20 30 38 45 hours miles 1 2 3 4 217 434 651 868

Which function is proportional? The function y = 140 x, where y is the miles traveled in x hours, represents the speed of the first Japanese high speed train The function y = 0. 5 x + 30, where y represents the total cost in dollars and x represents the miles driven, can be used to find the cost of renting a truck from Ron’s Rental. Proportional functions must be in the form of y =

100 90 Which Function 80 Is 70 proportional? 60 50 The 40 graph 30 In 20 _____ 10 With a 0 ____ line is proportional Y 5 10 15 20 25 30 X Proportional functions must pass through the ______