Constant of Proportionality

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio between two proportional quantities, indicating how one quantity changes in relation to another.

Front

What is the unit rate?

Back

The unit rate is the ratio of two measurements in which the second quantity is one unit. For example, if 100 dollars are earned for 4 hours of work, the unit rate is 25 dollars per hour.

Front

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

Back

To find the constant of proportionality from a table, divide the value of one quantity by the corresponding value of the other quantity.

Front

If 3 hours of work earns $150, what is the constant of proportionality?

Back

The constant of proportionality is $50 per hour.

Front

True or False: The horizontal axis is the x-axis.

Back

True

Front

What does a graph represent in terms of proportionality?

Back

A graph represents the relationship between two quantities, showing how one quantity changes in relation to another.

Front

If a car travels 90 miles in 2 hours, what is the constant of proportionality in miles per hour?

Back

The constant of proportionality is 45 mph.

Front

What is the formula to calculate the constant of proportionality?

Back

The formula is k = y/x, where k is the constant of proportionality, y is the dependent variable, and x is the independent variable.

Front

If 5 apples cost $10, what is the cost of 1 apple?

Back

The cost of 1 apple is $2, which is the constant of proportionality.

Front

What does it mean if two quantities are proportional?

Back

Two quantities are proportional if they maintain a constant ratio or relationship to each other.