Proportional Relationships Y=Kx

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

• y
• x
• 14

Write an equation for this relationship.

• y=18x
• y=18.50x
• y=22.50x
• y=22x

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

• 45
• 90
• 135
• 2

Ross walked 7 miles (y) in 2 hours (x). What is the constant of proportionality?

• 3.5 miles per hour
• 7/2 miles per hour
• 7.2 miles per hour
• 3 miles per hour

Write an equation for this situation.

• y=9.75x
• y=19x
• y=19.25x
• y=9.5x

What is the formula for a proportional relationship?

• y=kx
• y=k/x
• z=ykx
• y=ky

Is the graph proportional or non-proportional?

• Proportional
• Non-Proportional

Is this table proportional?

• yes
• no

If the constant of proportionality is 7, which of the following is the correct proportional equation?

• y=7k
• y=k7
• y=kx
• y=7x

A graph has the equation y=14x. Which of the following is the constant of proportionality?

• 14
• x
• y
• 1/14