Mixed Review- Units 1-4

Front

What is the constant of proportionality?

Back

The constant of proportionality is a constant ratio or factor that relates two quantities that are proportional to each other.

Front

How do you determine the better deal between two products?

Back

To determine the better deal, calculate the price per unit for each product and compare them.

Front

If an airplane travels at a constant speed, how can you express the relationship between distance and time?

Back

The relationship can be expressed with the equation t = (1/speed) * d, where t is time, speed is constant, and d is distance.

Front

What is a constant rate in the context of filling a tank?

Back

A constant rate means that the amount of water flowing into the tank does not change over time.

Front

How do you calculate a percentage raise in salary?

Back

To calculate a percentage raise, multiply the current salary by the percentage (as a decimal) and add the result to the current salary.

Front

What is the formula to find the total amount after a percentage increase?

Back

Total Amount = Original Amount + (Original Amount * Percentage Increase).

Front

What does it mean if two quantities are proportional?

Back

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

Front

How can you find the unit price of an item?

Back

Divide the total price by the number of units to find the unit price.

Front

What is the significance of the constant of proportionality in a table?

Back

It indicates the ratio between the two variables represented in the table.

Front

How do you convert hours into minutes?

Back

Multiply the number of hours by 60 to convert to minutes.