0. Review of College Algebra

Identify the real and imaginary parts of each complex number.

$-4-9i$

Identify the real and imaginary parts of each complex number.

$3+2i\sqrt3$

Write the complex number in standard form.

$\frac{9+\sqrt{-16}}{3}$

Find the difference. Express your answer in standard form.

$\left(2+8i\right)-\left(4-i\right)$