Combining Properties to Simplify Expressions
Learning Outcomes
- Simplify quotients that require a combination of the properties of exponents
Summary of Exponent Properties
If are real numbers and are whole numbers, thenexample
Simplify: . SolutionMultiply the exponents in the numerator, using the Power Property. | |
Subtract the exponents. |
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[ohm_question]146230[/ohm_question]example
Simplify: .Answer: Solution
Multiply the exponents in the numerator, using the Power Property. | |
Subtract the exponents. |
try it
[ohm_question]146231[/ohm_question]example
Simplify: .Answer: Solution
Remember parentheses come before exponents, and the bases are the same so we can simplify inside the parentheses. Subtract the exponents. | |
Simplify. | |
Multiply the exponents. |
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[ohm_question]146233[/ohm_question]example
Simplify: .Answer: Solution Here we cannot simplify inside the parentheses first, since the bases are not the same.
Raise the numerator and denominator to the third power using the Quotient to a Power Property, | |
Use the Power Property, . |
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[ohm_question]146234[/ohm_question]example
Simplify: .Answer: Solution
Raise the numerator and denominator to the fourth power using the Quotient to a Power Property. | |
Raise each factor to the fourth power, using the Power to a Power Property. | |
Use the Power Property and simplify. |
try it
[ohm_question]146235[/ohm_question]example
Simplify: .Answer: Solution
Use the Power Property. | |
Add the exponents in the numerator, using the Product Property. | |
Use the Quotient Property. |