6.3 Practice

Simplify completely.

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Simplify completely.

• Cannot be simplified.

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Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

Simplify completely.  $\sqrt{8}-2\sqrt{50}$  

• Cannot be simplified.

•  $-8\sqrt{2}$  

•  $9\sqrt{2}$  

•  $-20\sqrt{2}$  

Simplify completely.  $\left(2-\sqrt{5}\right)\left(1+\sqrt{5}\right)$  

•  $2+\sqrt{5}-\sqrt{10}$  

•  $3-\sqrt{5}$  

•  $2+\sqrt{5}-\sqrt{25}$  

•  $-3+\sqrt{5}$  

Tags

CCSS.HSN.RN.A.2

Simplify completely.  $\left(3-\sqrt{2}\right)\left(3+\sqrt{2}\right)$  

•  $7$  

•  $9-\sqrt{4}$  

•  $9+\sqrt{4}$  

•  $9\sqrt{6}$  

Tags

CCSS.HSN.RN.A.2

2√5 + 4√5 =

• 6√10
• 8√10
• 8√5
• 6√5

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

Simplify
 
2√27+3√3

• 15√30
• 5√3
• 9√3
• 9√8

Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

Simplify 
-2√2 - 3√8 - √5

•  -8√2-√5
• -8√2-√9
• -14√3-√7
• -2√4-√3

Simplify the expression:

• 1
• 9 - 4√4
• 6 + 2√2
• 1 - 4√2

Tags

CCSS.HSN.RN.A.2

Simplify the expression:

• -15 + 8√9
• 9
• 2 + 8√3 + 6√6
• 9 + 14√3

Tags

CCSS.HSN.RN.A.2