Adding and Subtracting Radicals

1. You can combine radicals with different indices.

• TRUE

• FALSE

Like radicals are radicals with the same indices and same radicands.

• TRUE

• FALSE

Tags

CCSS.8.NS.A.1

Simplify 

11√21 - 11√21

• 0

(2∛4)+(7∛4)

• 9∛8

• 52

• 9∛16

• 9∛4

Simplify

• √25
• 5
• 2√5
• √10

Add:  4√7 - 10 √7 + 7√7

• -6√7
• 14√7
• -3√14
• √7

√5 + √20

• 5
• 25
• 3√5
• 2√3

• 13√3
• 10√30
• 13√6
• 11√3