Finding Constant

Front

What is the initial value in a situation where Tim bought a new phone for $125 and pays $50 per month?

Back

The initial value is $125.

Front

Which statement accurately represents the graph of earnings based on hours worked?

Back

$500 is earned for every 8 hours worked.

Front

What is the equation form of a proportional relationship?

Back

y = kx

Front

How much is the unit rate per ounce if a box of cereal costs $3.59 for 30 oz?

Back

The unit rate is 12 cents per ounce.

Front

What is the constant of proportionality in a scenario where speed is measured?

Back

The constant of proportionality is the speed, e.g., 45 mph.

Front

Define '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

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

Back

The constant of proportionality is 45 mph.

Front

What does a unit rate represent?

Back

A unit rate represents a quantity measured per one unit of another quantity.

Front

How do you calculate the unit rate from a total cost and quantity?

Back

Divide the total cost by the quantity to find the cost per unit.

Front

What is the relationship between proportional relationships and graphs?

Back

Proportional relationships graph as straight lines that pass through the origin.