Finding Amounts with Proportional Relationships

Find the constant of proportionality on this table of values.

• k=3

• k=1

• k=0

• k=4

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

Which statement matches the graph?

• Taylor can write 6 words per minute

• Taylor can write 25 words per minute

• Taylor can write 50 words per minute

• Taylor can write 150 words per minute

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

Evan bought 5 pounds of bananas for $10. Christy bought 6 pounds of bananas for $9. Who has the better deal?

• Christy

• Evan

What is the unit rate if the rate is 30 laps for 10 minutes.

• 3 laps per minute

• 10 laps per minute

• 15 laps per minute

• 10 laps per two minute

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

What is the equation y=kx for the table?

• y=1/3x

• y=3x

• y=5x

• y=1/5x