Evaluate radical of a perfect square fraction ex 9, root(49/121)

The video tutorial explains how to find the square root of a fraction, specifically 49/121. It introduces the concept of breaking down the square root of a fraction into the square roots of the numerator and denominator. The instructor explores different methods to solve the problem, emphasizing understanding the multiplication of fractions. The solution is found by identifying the square roots of 49 and 121, which are 7 and 11, respectively. The tutorial concludes by summarizing the method and confirming the solution.

What is the common method for finding the square root of a fraction?

• Subtracting the square root of the denominator from the numerator

• Multiplying the square roots of the numerator and denominator

• Adding the square roots of the numerator and denominator

• Breaking the fraction into the square root of the numerator and the square root of the denominator

In the alternative approach, what is the key concept to understand when finding the square root of a fraction?

• Adding fractions to simplify the square root

• Dividing the numerator by the denominator

• Using logarithms to find the square root

• Finding identical numbers that multiply to give the numerator and denominator

Which numbers multiply to give the numerator 49 in the fraction 49/121?

• 9 and 9

• 8 and 8

• 7 and 7

• 6 and 6

What is the result of multiplying 11 by itself?

• 110

• 100

• 121

• 144

What is the final result of the square root of the fraction 49/121?

• 7/11

• 5/10

• 8/13

• 6/12