Proportional Relationships Review

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

How do you find the price per ticket if the total cost is $252 for 4 tickets?

Back

To find the price per ticket, divide the total cost by the number of tickets: $252 ÷ 4 = $63.00.

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How can the constant of proportionality be found?

Back

The constant of proportionality can be found by calculating the unit rate, which is the ratio of the two quantities when one of them is set to one.

Front

What is the constant of proportionality for the table if the values are (1, 0.5), (2, 1), (3, 1.5)?

Back

The constant of proportionality is 1/2, as it represents the ratio of the output to the input.

Front

What does it mean if two quantities are proportional?

Back

Two quantities are proportional if they maintain a constant ratio or relationship to each other.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity of one.

Front

If a car travels 300 miles in 5 hours, what is the constant speed of the car?

Back

The constant speed of the car is 60 miles per hour, calculated as 300 miles ÷ 5 hours.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.