Proportional Relationship

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

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

• 100

• 25

• 50

• 200

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)

Is the relationship proportional or non-proportional?

Rachel just started learning how to type in her keycode class. Each week her words per minute increases by 3 words.

• Proportional

• Non-Proportional

A proportional relationship is written used which of the following equations?

Is the following graph proportional?

• True

• False

Does the graph show a proportional relationship?

• Yes, it's straight and goes through the origin

• Yes, it's straight

• Yes, it goes through the origin

• Yes, the line is pretty

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

• y=14