Adding and Subtracting Radical Expressions Higher Roots

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

• True
• False

Tags

CCSS.8.EE.A.2

The square root of 64x⁸y⁶ is ?

• 32x⁴y³
• 8xy
• 8x⁴y³
• 16

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

• radical sign
• radicand
• factor
• exponent

Tags

CCSS.8.NS.A.1

Simplify
 
2√27+3√3

• 15√30
• 5√3
• 9√3
• 9√8

2√5 + 4√5 =

• 6√10
• 8√10
• 8√5
• 6√5

Simplify 
-2√2 - 3√8 - √5

•  -8√2-√5
• -8√2-√9
• -14√3-√7
• -2√4-√3

Simplify
3√2 - 3√18

•  -4√8
• 4√9-6√3
• 5√12
• -6√2

√5 + √20

• 5
• 25
• 3√5
• 2√3

√18 - √12

• 9√2 - 4√3
• 2√3
• 3√2 - 2√3
• √6

√300 + √75

• 15√3
• √375
• 20√5
• 16√5