To add and subtract radicals, add and subtract like radicals or similar radicals.

• TRUE

• FALSE

Adding and subtracting radical expressions is very much similar to adding and subtracting similar terms of polynomials.

• TRUE

• FALSE

√5

• 11√5

• 11√10

• 5√5

• 12√10

Q1. What is the value of the expression?

• 13√3

• 10√30

• 13√6

• 11√3

• A
• B
• C
• D

• A

• B

• C

• D

• A

• B

• C

• D

√2

• 17√2

• 9√1

• 9

• 9√2

Multiply and simplify the radical.

Mathematical Equivalence

ON

When adding or subtracting radicals step 2 tells us to: ​ (a)   radicals with the ​ (b)   ​ (c)   and ​ (d)   ​ (e)   . Only these can be combined!

• Identify

• same

• index

• radicand