Constant of Proportionality Review

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio between two proportional quantities, often represented as 'k' in the equation y = kx.

Front

How do you find the constant of proportionality from a table of values?

Back

To find the constant of proportionality, divide the value of one quantity by the corresponding value of the other quantity for any pair of values.

Front

If the equation is p = 3s + 50, what does the '3' represent?

Back

The '3' represents the additional pay earned for each sale made by the salesperson.

Front

In the equation p = 3s + 50, what does '50' signify?

Back

The '50' signifies the base pay the salesperson receives regardless of the number of sales.

Front

What does a proportional relationship mean in the context of a graph?

Back

A proportional relationship in a graph means that the line passes through the origin (0,0) and has a constant slope.

Front

How can you determine if a relationship is proportional from a graph?

Back

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

Front

What is the formula to calculate the unit rate?

Back

The unit rate is calculated by dividing the total amount by the number of units, expressed as 'amount per unit'.

Front

If a cab ride costs $15 for 3 miles, what is the cost per mile?

Back

The cost per mile is $5, calculated by dividing $15 by 3 miles.

Front

What does the point (1,2) mean in a cost graph for a dry cleaning service?

Back

The point (1,2) means that the dry cleaning service charges $2 for cleaning 1 shirt.

Front

How do you interpret the slope of a line in a distance-time graph?

Back

The slope of a distance-time graph represents the speed or rate of travel.