Identify the real and imaginary parts of each complex number.
$-4-9i$

In Exercises 29–36, simplify and write the result in standard form.

√−196

In Exercises 29–36, simplify and write the result in standard form.

√3² − 4 ⋅ 2 ⋅ 5

In which quadrant is the complex number $6-8i$ located on the complex plane?

Suppose point A on the complex plane represents the complex number $3+4i$. Which of the following operations involving complex numbers results in a solution represented by point A?

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.

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

Find the sum. Express your answer in standard form.

$5\left(4+7i\right)+6\left(3-2i\right)$