Constant of Proportionality, y=kx

Front

What is the constant of proportionality in the equation y = kx?

Back

The constant of proportionality is the value of k in the equation, which represents the ratio of y to x.

Front

If y = 3x, what is the constant of proportionality?

Back

The constant of proportionality is 3.

Front

What does the equation y = kx represent?

Back

It represents a direct variation between y and x, where k is the constant of proportionality.

Front

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

Back

If the ratio of y to x is constant for all pairs of values, the relationship is proportional.

Front

What is the graphical representation of a proportional relationship?

Back

A straight line that passes through the origin.

Front

If a recipe requires 2 cups of flour for every 3 cups of sugar, what is the constant of proportionality for flour to sugar?

Back

The constant of proportionality is 2/3.

Front

In the equation y = 5x, what does the number 5 represent?

Back

The number 5 represents the constant of proportionality.

Front

If a car travels 60 miles in 1 hour, how far will it travel in 3 hours?

Back

180 miles (60 miles/hour * 3 hours).

Front

What is the formula to find the constant of proportionality?

Back

k = y/x, where k is the constant of proportionality.

Front

If a graph shows a line that does not pass through the origin, is it proportional?

Back

No, it is not proportional.