Constant of Proportionality

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio between two proportional quantities, often represented as 'k'. It remains constant as the values change.

Tags

CCSS.7.RP.A.2B

Front

If you earn $15 every 3 weeks, how much do you earn in 5 weeks?

Back

$25

Tags

CCSS.6.RP.A.3B

Front

What is the formula to find the constant of proportionality?

Back

k = y/x, where y is the dependent variable and x is the independent variable.

Tags

CCSS.7.RP.A.2B

Front

How do you determine if two ratios are equivalent?

Back

Two ratios are equivalent if their cross products are equal.

Tags

CCSS.6.RP.A.3A

Front

What is the constant of proportionality for the ratio 1.50?

Back

k = 1.50

Tags

CCSS.7.RP.A.2B

Front

If 88 students are divided into 4 classes, how many students are in each class?

Back

22 students per class.

Tags

CCSS.3.OA.A.3

Front

What is an example of a proportional relationship?

Back

If you buy 3 apples for $6, the cost per apple is constant, making it a proportional relationship.

Tags

CCSS.7.RP.A.2A

Front

Find a ratio equivalent to 15/27.

Back

30/54.

Tags

CCSS.6.RP.A.3A

Front

What does it mean if a relationship is not proportional?

Back

If a relationship is not proportional, the ratio between the quantities does not remain constant.

Tags

CCSS.7.RP.A.2A

Front

If a car travels at a constant speed of 45 mph, what is the constant of proportionality?

Back

45 mph.

Tags

CCSS.7.RP.A.2B