Operations on Radical expressions

Evaluate √12 + 3√48 + 2√27

• 14√3
• 8√3
• 16√3

Find the sum of √8 and 2√50.

• 12√2
• 13√5
• 13√2
• 15√5

Simplify the radical...

√20a²b⁴

• 2ab²√5

• 4ab²√5

• 5ab²√2

• 2a²b²√5

Simplify 6√90

• 10√8

• 10√18

• 18√10

• 18√9

(-2√7)(3√28)

• -6√14
• 6√13
• -84
• -78

In the picture, the "3" is called...

• the index
• the radical sign
• the radicand
• none

Tags

CCSS.8.NS.A.1

Simplify completely.
∛(2⋅2⋅2⋅2⋅3⋅x⋅x⋅x⋅x⋅x⋅x⋅y⋅y⋅y)

• 2x²y∛6
• 4x³y√(3y)
• ∛(24x⁶y³)
• 8x²y∛6

Simplify:

• 5x√2
• 100x√2
• 10x√2
• 10√2x

√18 - √12

• √6
• 2√3
• √2
• √5

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

• radical sign
• radicand
• factor
• exponent

Tags

CCSS.8.NS.A.1