11. Graphing Complex Numbers

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

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

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

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

Perform the indicated operations and write the result in standard form. 3+4i / 4−2i

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)