Proportional Relationships

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 do you find the constant of proportionality (k)?

Back

The constant of proportionality (k) can be found using the formula k = y/x, where y is the dependent variable and x is the independent variable.

Front

What does the equation p = kw represent?

Back

The equation p = kw represents a proportional relationship where p is the price, w is the weight, and k is the constant of proportionality.

Front

If a job pays $56 for 8 hours of work, how much does it pay per hour?

Back

$7 per hour.

Front

What is the constant of proportionality if p = 0.45w?

Back

k = 0.45.

Front

Does the table represent a proportional relationship if the ratios are not constant?

Back

No.

Front

What does the point (2, 94) represent in a savings context?

Back

After 2 weeks, they save $94.

Front

What is the formula to determine if two quantities are proportional?

Back

Two quantities are proportional if their ratios are equal.

Front

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

Back

k = 3.

Front

What is an example of a proportional relationship in real life?

Back

The relationship between distance and time at a constant speed.