Simplifying the square root of an expression

What is the result of taking the square root of a pair of identical factors?

• The difference of the factors

• One of the factors

• The sum of the factors

• The product of the factors

Which of the following is a factor of 490?

• 5

• 8

• 3

• 11

How can V to the 5th power be expressed in terms of its factors?

• V * V * V

• V * V * V * V

• V * V * V * V * V

• V * V

What is the simplified form of the expression after factoring and pulling out pairs?

• -7V^2 * sqrt(10B)

• -14V * sqrt(10B)

• -14V^2 * sqrt(10B)

• -7V * sqrt(10B)

What is the importance of identifying pairs of factors in simplifying radical expressions?

• Pairs of factors can be subtracted

• Pairs of factors can be taken out of the square root

• Pairs of factors can be added together

• Pairs of factors can be multiplied together