Understanding Proportional Relationships

What happens to the y variable when the x variable increases by 1 in a proportional relationship?

• y increases by 1

• y remains the same

• y increases by 15

• y decreases by 15

If x increases by 1 and y increases by 15, what is the proportionality constant?

• 1

• 15

• 30

• 45

What is the result of 54 divided by 3 in the context of proportional relationships?

• 16

• 17

• 19

• 18

In a proportional relationship, if y divided by x is always 13, what is the equation?

• y = 16x

• y = 15x

• y = 14x

• y = 13x

What is the proportionality constant if y increases by 19 when x increases by 1?

• 17

• 18

• 19

• 20

If 14 divided by 1 equals 14, what is the equation for the proportional relationship?

• y = 14x

• y = 15x

• y = 13x

• y = 12x

What is the proportionality constant if 7 divided by 1 equals 7?

• 5

• 8

• 6

• 7

How does the number of miles change as the number of kilometers increases in a proportional relationship?

• Miles decrease

• Miles remain the same

• Miles increase

• Miles double

Which of the following is an example of a real-life proportional relationship?

• Pounds to kilograms

• Temperature to humidity

• Height to weight

• Speed to time

Why are real-life proportional relationships often more complex than simple examples?

• They involve more variables

• They have non-integer constants

• They change over time

• They are not proportional