Review for Radicals

2√5 - √5 + 4√5 + √3

• 6√5 + √3
• 5√5 + √3
• 6√5
• 6√3

The like radicals have the same

• index
• radicand
• index and radicand
• none of thes

To multiply radicals, they must have te same index.

• True
• False

The result of rationalize 3/√3 is

• √3
• 3
• 1
• none of these

The expression 3 ∕ ∛3 is equivalent to

• ∛9
• ∛3
• 3
• none of these

The expression 5+√2 is the conjugate of

• √5-√2
• √2-5
• 2-√5
• 5-√2

The expression (x+7)² is equivalent to

• x²+49
• x²-14x+49
• x²+14x+49
• x²-49

Simplify:
√6 ⋅√6

• √36
• 2√3
• 12
• 6

Simplify:
√10 ⋅ √45

• 3√50
• 8√2
• √450
• 15√2

Simplify √72

• 7√9
• 4√6
• 6√2
• 3√4