Express the Following Expression in Simplest Radical Form $\sqrt { 81 x ^ { 9 } y ^ { 6 } }$

question 3

Multiple Choice

Express the following expression in simplest radical form. All variables represent positive real numbers. $\sqrt { 81 x ^ { 9 } y ^ { 6 } }$

• A) \(81 x ^ { 5 } y ^ { 3 } \sqrt { x }\)
• B) \(9 x ^ { 5 } y ^ { 3 }\)
• C) \(9 x ^ { 4 } y ^ { 4 } \sqrt { x }\)
• D) \(9 x ^ { 4 } y ^ { 3 } \sqrt { x }\)

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Definitions:

Compounded Monthly

This refers to the process of calculating interest on an initial principal, which also includes all of the accumulated interest from previous periods on a loan or deposit, on a monthly basis.

Present Value

The present value of a future amount of money or sequence of cash flows when discounted at a certain rate of return.

Annual Investment

The total sum of money invested in a particular option or portfolio in a year.

Present Values

The current value of a future amount of money or stream of cash flows given a specified rate of return.