A.3c Numerical Expressions with Radicals

5.2 Add and Subtract Radicals

Standard Algebra I

Add/Subtract Radicals

Multiple Choice

Simplify:

$$2\sqrt{24}+5\sqrt{54}$$  

• $$7\sqrt{78}$$  

• $$19\sqrt{6}$$  

• $$7\sqrt{6}$$  

Multiple Choice

Add

$$\sqrt{2}+3\sqrt{2}$$  

• $$2\sqrt{2}$$  

• $$3\sqrt{4}$$  

• $$4\sqrt{2}$$  

• $$4\sqrt{4}$$  

Multiple Choice

Add

$$\sqrt{27}+2\sqrt{12}$$  

• $$3\sqrt{3}+4\sqrt{6}$$  

• $$7\sqrt{3}$$  

• $$12\sqrt{3}$$  

• $$7\sqrt{6}$$  

Multiple Choice

Simplify 
3√6 - 4√6

• -√6

• √6

• -1

• Already simplified 

Multiple Choice

Simplify 
-11√21 - 11√21

• 0

• -22√21

• √21

• Already simplified 

Multiple Choice

Simplify 
-10√7 + 12√7

• -2

• -2√7

• 2√7

• Already simplified 

Multiple Choice

Simplify 
-3√6 + 3√6

• 0

• √6

• -6√6

• Already simplified 

Multiple Choice

Simplify 
3√8 + 3√2

• 9√2

• 6√10

• 5√2

• Already simplified 

Multiple Choice

Simplify 
-3√20 - √5

• -4√5

• -4√15

• -7√5

• Already simplified 

Multiple Choice

Simplify 
9√2 + 12√3

• 21√5

• 21√2

• 21√3

• Already simplified