How to evaluate the square root of a perfect square number

The video tutorial explains how to find the square root of 4 by identifying the number that multiplies by itself to equal 4. It demonstrates rewriting 4 in different forms and highlights the inverse relationship between squaring and square roots. The tutorial concludes by affirming that the square root of 4 is 2.

What is the primary goal when taking the square root of a number?

• To find a number that adds up to the original number

• To find a number that, when multiplied by itself, equals the original number

• To find a number that divides the original number

• To find a number that subtracts from the original number

Which of the following is a correct representation of the number 4?

• 4 = 3 + 1

• 4 = 2 * 2

• 4 = 5 - 1

• 4 = 8 / 2

How can the square root of 4 be rewritten using exponents?

• sqrt(4) = 2^3

• sqrt(4) = 2^2

• sqrt(4) = 4^2

• sqrt(4) = 4^1

What is the relationship between squaring a number and taking its square root?

• They are unrelated operations

• They are both multiplication operations

• They are inverse operations

• They are both division operations

What is the result of taking the square root of 4?

• 4

• 1

• 2

• 3