Algebra 2 - What does multiplying the complex conjugate look like, (3 - 2i)

What is the key characteristic of a complex conjugate?

• The real part is zero.

• Both parts are multiplied by -1.

• Only the imaginary part has the opposite sign.

• Both real and imaginary parts are reversed.

Which mathematical technique is used to simplify the multiplication of complex conjugates?

• Difference of two squares

• Completing the square

• Quadratic formula

• Binomial expansion

What happens to the middle terms when using the difference of squares technique?

• They remain unchanged.

• They are squared.

• They cancel each other out.

• They are doubled.

What is the value of i squared?

• 0

• -1

• 1

• i

What is the final result of multiplying (3 - 2i) by its conjugate?

• 13

• 5

• 7

• 9