3-4: Solve Percent Change and Percent Error Problems

Front

What is percent error?

Back

Front

How do you calculate absolute error?

Back

Front

What is the formula for percent increase?

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Front

What is the formula for percent decrease?

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Front

If a product's price increases from $50 to $75, what is the percent increase?

Back

Front

If a car's value decreases from $20,000 to $15,000, what is the percent decrease?

Back

Front

What does a percent error of 10% indicate?

Back

A percent error of 10% indicates that the estimated value is 10% away from the actual value, showing a relatively small error.

Front

How do you find the new value after a percent increase?

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Front

How do you find the new value after a percent decrease?

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Front

What is the relationship between percent change and absolute change?

Back

Percent change is the absolute change expressed as a percentage of the original value. It shows how much a value has changed relative to its original amount.