Taking the square root of variable expression basic example, root(16x^2)

The video tutorial explains the concept of square roots, focusing on the square root of 16 and X squared. It introduces square numbers and their properties, and demonstrates how to calculate the square root of a number and a variable. The tutorial also hints at further techniques to be discussed in subsequent problems.

What is the square root of 16?

• 5

• 4

• 3

• 2

Which number, when multiplied by itself, results in 16?

• 4

• 3

• 5

• 2

What is the square root of X squared?

• X

• X/2

• X^2

• 2X

If sqrt(X^2) equals X, what does sqrt(16X^2) equal?

• X

• 16X

• 8X

• 4X

What will be discussed in the next problem according to the video?

• A different number

• A new equation

• A technique

• A new variable