Constant of Proportionality

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

Select ALL equations that are proportional.

• y = 3x

• y = 25x

• y = 7x

• y = 2x - 1

• y = 4000x

Is this table proportional?

• Yes

• No

The constant of proportionality is also the unit rate.

• True

• False

Write the equation for the table given.

• y = 16x

• y=8x

• y=12x

Identify the constant of proportionality.

• k = 1/0.45

• k = 0.45

• k = -0.45

• k = -1/0.45

• none (not proportional)

Which of the following statements is TRUE about the graph? Choose all that apply.

• The point (2, 8) shows that 8 pounds of cheese cost$2.00.

• The point (1.5, 6) shows the cost is $6.00 for 1.5pounds of cheese.

• The point (0.75, 3) shows that 0.75 pound of cheesecosts $3.00.

• The point (0.25, 1) shows the cost is $0.25 for 1pound of cheese.

• The point (0, 0) shows the cost is $0.00 for 0 pounds of cheese

Write an equation for this relationship.

• y = 18x

• y = 18.50x

• y = 22.50x

• y = 22x