Radical and Radical Expressions

To add and subtract radicals, add and subtract like radicals or similar radicals.

• TRUE

• FALSE

Adding and subtracting radical expressions is very much similar to adding and subtracting similar terms of polynomials.

• TRUE

• FALSE

Rationalizing is necessary for the division of radicals.

• TRUE

• FALSE

• 2xy²
• 2|x|y²
• 4xy²
• 2|xy|

• 4

• -4

• 8

• no real cube root

Find all real solutions.

• -9, 9

• 3

• -3, 3

• -3

Simplify the above radical.

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• 
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• y²z¹⁰√xy
• 20yz√xy
• xy²z¹⁰√y
• yz⁶√xy²z²

• 2/3

• -2/3

• -4/9

• no real fourth root

The value or expression under the radical sign is called the…

• A Radical

• B Index

• C Radicand

• D Variable