Find the quotient. Express your answer in standard form. 

$\(\frac{-5+3i}{-7-4i}\)$

In Exercises 9–20, find each product and write the result in standard form.

(3 + 5i)(3 − 5i)

In Exercises 21–28, divide and express the result in standard form.

3 / 4+i

In Exercises 21–28, divide and express the result in standard form.

2+3i / 2+i

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?

CONCEPT PREVIEW Fill in the blank(s) to correctly complete each sentence. The set {0, 1, 2, 3, ...} describes the set of _________.