C.O.P. and Proportional Relationships

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

In the equation y = 7x, what is the constant of proportionality?

Back

7

Front

If a graph shows a straight line passing through the origin, what does this indicate about the relationship between the variables?

Back

It indicates a proportional relationship between the variables.

Front

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

Back

The slope represents the constant of proportionality.

Front

If a car travels at a constant speed of 40 miles per hour, what is the constant of proportionality in this scenario?

Back

40 miles per hour.

Front

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

Back

Divide the output value (y) by the input value (x) for any pair of corresponding values.

Front

In the equation y = ½x, what is the constant of proportionality?

Back

1/2.

Front

If 5 phones are sold for $43 each, how much money is earned?

Back

$215.

Front

What is the formula for finding the total amount earned from selling x items at a constant price p?

Back

Total Earned = p * x.

Front

If y = kx and k = 6, what is the value of y when x = 3?

Back

y = 18.