Radicals Simplifying Adding Subtracting

Simplify the radical...

√20a²b⁴

• 2ab²√5

• 4ab²√5

• 5ab²√2

• 2a²b²√5

Simplify the following radical: √150

• 5√15

• 5√2

• 5√6

• 15√5

Simplify the following radical: 2√24

• 4√6

• 2√6

• 24√2

• 4√4

 Simplify:   2√40 - 3√10 

• 5√10

• √10

• -√30

Add:  4√7 - 10 √7 + 7√7

• -6√7

• 14√7

• -3√14

• √7

• -4√8

• 4√9-6√3

• 5√12

• -6√2

5√80

• 20√5

• 4√5

• 5√20

• 4√5

The number under the radical symbol

is called the _____________.

• radical

• square root

• radicand

• index

When adding or subtracting square roots, what number HAS TO BE THE SAME?

• The coefficient (number in front of square root)

• The radicand (number in square root)

• The numbers don't matter

• Both have to be the same