Proportional Relationship

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

Is the given table a proportional relationship? If so, what is the constant?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

A proportional relationship can be written as an equation in the form ____ = _____  _____

• y = k+x

• y = k-x

• y = kx

• y = k/x

The table has a proportional relationship. Determine the missing value in the table.

• 15

• 3

• 1/3

• 9

What is the constant of proportionality (k) for this graph?

• 100

• 25

• 50

• 200

Which statement(s) about this graph are true?

• It is proportional

• The cleaner uses 1 cup of vinegar to every 2 cups of cleaner

• The cleaner uses 4 cups of cleaner to 2 cups of vinegar

• All of the above

Find the unit rate: $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples? Create the table using the information given.

• $1.00 per pound

• $3.60 per pound

• $1.20 per pound

• $1.10 per pound

The constant of proportionality can be found by finding the __________  _____________.

• unit rate

• ratio rate

• proportion answer

• rational number

Is this relationship proportional or non-proportional?

Joey started mowing yards this summer. He charges $10 for every yard he mows.

• Proportional

• Non-Proportional

What makes a graph proportional?

• Straight Line

• The line goes through (0,0)

• Curvy line

• Straight line and passes through (0,0)