Adding and Subtracting Radicals

2√5 + 4√5 =

• 6√10

• 8√10

• 8√5

• 6√5

• 17√2
• 9√1
• 9
• 9√2

Tags

CCSS.HSA.REI.A.2

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

√5 + √20

• 5
• 25
• 3√5
• 2√3

Tags

CCSS.HSN.RN.A.2

The number under the radical sign or square root sign is called the ______.

• radical sign

• radicand

• factor

• exponent

Simplify

3√2 - 3√18

• -4√8

• 4√9-6√3

• 5√12

• -6√2

In simplest radical form,

2√50 is equivalent to

• 5√2

• 7√2

• 10√2

• 4√5

Simplify

• 9

• √9

• 3√9

• can't simplify

Simplify √40

• 4√10

• 10√4

• 2√10

• 10√2

Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

Simplify

• 2√2

• -4√4

• -2√2

• -4√2

Simplify

• 3√6 + 4√5

• 3√6 + √5

• 3√6

• 0