Constant of Proportionality

What does k represent in the equation y = kx?

• constant rate of change
• constant of proportionality
• the equation
• x/y

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

• y
• x
• 14

If the constant of proportionality is 10, which of the following is the correct proportional equation?

• 10=kx
• 10=k
• y=10k
• y=10x

What is the EQUATION for this table?

• y = 1/2x

• x = 1/2y

• y = 2x

• k = x

What is the EQUATION for this table?

• y=1/3x

• y=3x

• y=5x

• Not proportional

Write the equation for the table given.

• y = 16x

• y=8x

• y=12x

• not proportional

Write an equation for this relationship.

• y = 18x

• y = 18.50x

• y = 22.50x

• y = 22x

Write an equation for this relationship

• y=28x

• y=35x

• y=38x

• y=26x

What is the EQUATION for this graph?

• y=80x

• y=20x

• y=40x

• y=160x

What is the EQUATION for this graph

• y=9/3x

• y=6x

• y=9x

• y=3x