Factoring using the definition of difference of two squares

What is the factored form of a difference of two squares?

• (a + b)(a - b)

• (a - b)(a - b)

• (a + b)(a + b)

• (a - b)(a + b)

Which of the following is a square number?

• 12

• 64

• 20

• 18

How can 4F squared be expressed using the power of product rule?

• 2F

• 2F squared

• F squared

• 4F

What is the value of 'b' when factoring 4F squared minus 64?

• 4

• 2F

• 16

• 8

What is the final factored form of 4F squared minus 64?

• (2F - 8)(2F - 8)

• (2F + 8)(2F + 8)

• (2F - 8)(2F + 8)

• (2F + 8)(2F - 8)