Unit 3 Proportional Relationships

Front

What does k represent in the equation y = kx?

Back

k represents the constant of proportionality.

Front

What is the equation y=kx for the table?

Back

y=3x

Front

The constant of proportionality can be found by finding the __________  _____________.

Back

unit rate.

Front

Is the equation y = 14x showing proportionality?

Back

Yes.

Front

What is the constant of proportionality? Remember to simplify your answer.

Back

k=5.

Front

Define proportional relationships.

Back

Proportional relationships are relationships between two quantities where the ratio of one quantity to the other is constant.

Front

What is the unit rate in a proportional relationship?

Back

The unit rate is the constant of proportionality expressed as a ratio of two quantities, typically per one unit of the independent variable.

Front

If y = 2x, what is the constant of proportionality?

Back

k=2.

Front

How do you determine if a relationship is proportional from a table of values?

Back

Check if the ratios of corresponding values are constant.

Front

What is the graph of a proportional relationship?

Back

The graph is a straight line that passes through the origin.