11. Graphing Complex Numbers

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

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

In Exercises 1–3, perform the indicated operations and write the result in standard form. ___ ___ 2√−49 + 3√−64

Perform the indicated operations and write the result in standard form. √−32 − √−18

Plot the complex number $z=5$ on the graph below.

Perform the indicated operations and write the result in standard form. (−2 + √−100)²

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

In Exercises 1–8, add or subtract as indicated and write the result in standard form. (7 + 2i) + (1 − 4i)

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

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

Perform the indicated operations and write the result in standard form. (4 + √−8 )/ 2

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

Plot the complex number $z=2-4i$ on the graph below.

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

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