Introduction to Radicals

The number under the radical sign or square root sign is called the ______.

• radical sign

• radicand

• factor

• exponent

True or False: The following list contains only perfect squares.
1, 4, 9, 27, 81, 100

• True
• False

Simplify:
√100

• 1
• 10
• 10²
• Already simplified

√24

• 4√6
• 2√6
• 6√2
• 2√12

To simplify a radical, find the largest perfect square number that divides evenly into the given number and simplify.

• True
• False

• 8√6
• 8√12
• 12√6
• 12√12

Simplify:

√7 ⋅√7

• √49

• 2√3

• 7

• 14

2√5 + 4√5 =

• 6√10
• 8√10
• 8√5
• 6√5

√98 + 5√2

• 8√3
• 12√2
• 7√2
• 7√3

Simplify
 
2√27+3√3

• 15√30
• 5√3
• 9√3
• 9√8