Proportional Relationships in tables, graphs, equations

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.

Front

How can you identify a proportional relationship in a table?

Back

A table represents a proportional relationship if the ratios of corresponding values are the same.

Front

What does the slope of a graph represent in a proportional relationship?

Back

The slope represents the constant rate of change between the two quantities.

Front

What is the equation of a proportional relationship?

Back

The equation is typically in the form y = kx, where k is the constant of proportionality.

Front

If a cleaner uses 1 cup of vinegar for every 2 cups of cleaner, what is the ratio of vinegar to cleaner?

Back

The ratio of vinegar to cleaner is 1:2.

Front

What does the point (2, 94) represent in a proportional relationship?

Back

It represents that after 2 weeks, they save $94.

Front

How do you determine if a graph represents a proportional relationship?

Back

A graph represents a proportional relationship if it is a straight line that passes through the origin.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the factor by which one quantity is multiplied to obtain the other in a proportional relationship.

Front

If a recipe requires 2 tablespoons of honey for 10 cups of flour, how much honey is needed for 20 cups of flour?

Back

16 tablespoons of honey are needed for 20 cups of flour.

Front

Can a table with a zero value in one column represent a proportional relationship?

Back

Yes, if the other column also has a zero value, it can represent a proportional relationship.