Rationalize the Denominator and Simplify $\sqrt { \frac { 4 } { 5 } }$

question 274

Multiple Choice

Rationalize the denominator and simplify. Assume all variables represent nonnegative real numbers.
- $\sqrt { \frac { 4 } { 5 } }$

• A) \(\frac { 2 \sqrt { 5 } } { 5 }\)
• B) \(2 \sqrt { 5 }\)
• C) 27
• D) \(\frac { 4 \sqrt { 5 } } { 5 }\)

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Definitions:

Alkali

A base that dissolves in water, typically found among the group 1 elements of the periodic table, such as sodium and potassium, which form strongly basic hydroxides.

Ion

A charged atom.

Electron

One of the three major parts of an atom. The electron carries a negative charge.

Proton

One of the three principal parts of an atom. The proton has a positive charge.