Final Exam Review

Front

What is the formula to calculate the final temperature after a change?

Back

Final Temperature = Initial Temperature + Change in Temperature

Front

If the temperature drops by 5 degrees from 30 degrees, what is the new temperature?

Back

25 degrees

Front

How do you calculate the total cost including tax?

Back

Total Cost = Price + (Price x Tax Rate)

Front

What is 7.5% of $299?

Back

$22.43

Front

If a TV costs $299 and the tax is 7.5%, what is the total cost?

Back

$321.43

Front

What is the constant of proportionality?

Back

It is the ratio of two proportional quantities.

Front

If a table shows a constant ratio of 9, what does that mean?

Back

For every unit increase in x, y increases by 9.

Front

How do you find the change in temperature?

Back

Change in Temperature = Final Temperature - Initial Temperature

Front

If the temperature changes from -13 degrees to 27 degrees, what is the change?

Back

40 degrees

Front

What is the equation for a proportional relationship?

Back

y = kx, where k is the constant of proportionality.