Find the square root of negative numbers

What special symbol represents the square root of -1?

• x

• y

• i

• pi

What type of numbers are being simplified in this video?

• Positive numbers

• Negative numbers

• Whole numbers

• Imaginary numbers

When simplifying the square root of a negative number, what is the first step shown in the video?

• Multiply the number by 2

• Separate the negative one from the number

• Add 4 to the number

• Divide the number by 3

What method is used to break down larger numbers like 16 or 36 into their prime factors?

• Addition

• Subtraction

• Factor tree

• Division