11. Graphing Complex Numbers

In Exercises 1–8, add or subtract as indicated and write the result in standard form.6 − (−5 + 4i) − (−13 − i)

In Exercises 1–10, perform the indicated operations and write the result in standard form.(7 + 8i)(7 − 8i)

In Exercises 1–10, perform the indicated operations and write the result in standard form.6 / 5+i

In Exercises 1–8, add or subtract as indicated and write the result in standard form.8i − (14 − 9i)

In Exercises 1–10, perform the indicated operations and write the result in standard form.3+4i / 4−2i

In Exercises 1–10, perform the indicated operations and write the result in standard form. ___ ___√−32 − √−18

In Exercises 9–20, find each product and write the result in standard form.−3i(7i − 5)

In Exercises 1–10, perform the indicated operations and write the result in standard form. __4 + √−8 / 2

In Exercises 9–20, find each product and write the result in standard form.(−5 + 4i)(3 + i)

In Exercises 9–20, find each product and write the result in standard form.(7 − 5i)(−2 − 3i)

In Exercises 9–20, find each product and write the result in standard form.(−5 + i)(−5 − i)

In Exercises 9–20, find each product and write the result in standard form.(2 + 3i)²

In Exercises 21–28, divide and express the result in standard form.2 / 3 - i

In Exercises 21–28, divide and express the result in standard form.8i / 4−3i

In Exercises 29–36, simplify and write the result in standard form. ___√−49