Per.7-Introduction to Radicals

Which cannot be added or subtracted?
A) 12√5 + 4√5
B) 2√3 + 4√3
C) 4√5 - 4√7
D) 2√9 + 4√9

• A
• B
• C
• D

Tags

CCSS.HSN.RN.A.2

which can be MULTIPLIED?
A) 12√5 , 4√5
B) 2√3 , 4√6
C) 4√5 , 4√7
D) A  ,  B  ,  C

• A
• B
• C
• D

Simplify:
√6 +√6

• √36
• 2√12
• √12
• 2√6

Simplify:
√6 ⋅√5

• √11
• √30
• 30
• 11

Simplify:
√6 -√6

• √36
• 2√3
• 12
• 0

Simplify:
2√3 +2√5

• 4√8
• cannot add, not like terms
• 4√15
• √16

Simplify:
8√7 -2√7

• 6
• 2√7
• 6√14
• 6√7

Simplify:
9√3 +9√3

• 24
• 18√6
• 18√3
• 108

Simplify:
9√3(9√2)

• √45
• 18√6
• 18√3
• 81√6

Simplify:
2√5(4√3)

• cannot multiply, not like terms
• 6√8
• 6√15
• 8√15