Constant of Proportionality Equation

What is the constant of proportionality of the following points? (10,2) (20,4) (50,10)

• 1/5

• 3/5

• 3/4

• 7/12

A car rides at the same rate for 10 hours. It traveled 400 miles. What is an equation for this?

• y=4x

• y=400x

• y=40x

• y=10x

Determine the constant of proportionality for the table. Express your answer as y = kx

• y = 1/2x

• x = 1/2y

• y = 2x

• k = x

Determine the constant of proportionality for the table. Express your answer as y = kx

• y = 30k

• y = 30x

• y = 0.03x

• y = 9x

Determine the constant of proportionality for the table. Express your answer as y = kx

• 15k

• x = 15y

• y = 0.06x

• y = 15x

k represents

• the constant of proportionality

• the king

• ketchup

• a strikeout

Which equation matches the constant of proportionality?

• x = y

• y = x

• y = kx

• l x w

What does k represent in the equation y = kx?

• constant rate of change

• constant of proportionality

• the equation

• x/y

Identify the constant of proportionality.

• k = 1/0.45

• k = 0.45

• k = -0.45

• k = -1/0.45

• none (not proportional)

Determine the constant of proportionality for the table. Express your answer as y = kx

• y = 33x

• y = 0.003x

• x = 33y

• 33k