Prodigy Proportional Relationships

Find the constant of proportionality on this table of values.

• k=3

• k=1

• k=0

• k=4

What makes a graph proportional?

• Straight Line

• The line goes through (0,0)

• Curvy line

• Straight line and passes through (0,0)

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

• y

• x

• 14

• y=14

What is the constant of proportionality (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

The constant of proportionality is 9/1. Interpret what that means in the context of this story.

• $9 per hour

• $9 for 3 hours

• 9 hours per $1

What is the equation y=kx for the table?

• y=1/3x

• y=3x

• y=5x

• y=1/5x

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $35 per pound

• $5 per pound

• $0.125 per pound

unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2

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

• unit rate

• ratio rate

• proportion answer

• rational number

Is this table Proportional?

• Yes, because the COP is different each time.

• Yes, because the COP is always X9.

• No, because the numbers are all different.

• No, because the COP changes each time.