Identifying Proportionality from Tables

Is this table proportional? If so, what is the constant?

• no

• yes, k =7

• yes, k=1/7

A relationship is proportional when _________________.

• There are numbers in a table.

• The ratio of the # in the y column divided by x is equal.

• The ratio of the # in the x divided by y is equal.

The number of teachers is directly proportional to the max number of students

• True

• False

What is the Unit Rate?

• $1 per 5 hours worked

• $5 per hour worked

• There is no unit rate.

What is the constant of proportionality?

• 5

• 1/5

• There is no constant

What is the constant (of proportionality)?

Which equation represents a proportional relationship?

• y=kx

• k=yx

• x=yk

What is the Unit Rate?

(Also known as the constant).

• Function
• Not a Function