11. Graphing Complex Numbers

Graphing Complex Numbers

11. Graphing Complex Numbers

# Graphing Complex Numbers - Video Tutorials & Practice Problems

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### How To Plot Complex Numbers

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Problem

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

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Problem

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

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Problem

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

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PRACTICE PROBLEMS AND ACTIVITIES (38)

- In Exercises 1–8, add or subtract as indicated and write the result in standard form. (7 + 2i) + (1 − 4i)
- In Exercises 1–10, perform the indicated operations and write the result in standard form. (8 − 3i) − (17 − 7...
- In Exercises 1–3, perform the indicated operations and write the result in standard form. (6 − 7i)(2 + 5i)
- In Exercises 1–3, perform the indicated operations and write the result in standard form. 5 / 2−i
- In Exercises 1–8, add or subtract as indicated and write the result in standard form. (3 + 2i) − (5 − 7i)
- In Exercises 1–3, perform the indicated operations and write the result in standard form. ___ ___ 2...
- In Exercises 1–10, perform the indicated operations and write the result in standard form. (3 − 4i)²
- In Exercises 1–8, add or subtract as indicated and write the result in standard form. 6 − (−5 + 4i) − (−13 − ...
- 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...
- 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. ___ (−2...
- In Exercises 1–10, perform the indicated operations and write the result in standard form. __ 4 + √−8 ...
- 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
- In Exercises 29–36, simplify and write the result in standard form. ____ √−108
- In Exercises 29–36, simplify and write the result in standard form. ____________ √1² − 4 ⋅ 0.5 ⋅ 5
- In Exercises 37–52, perform the indicated operations and write the result in standard form. ___ ___ √...
- In Exercises 37–52, perform the indicated operations and write the result in standard form. ___ _...
- In Exercises 37–52, perform the indicated operations and write the result in standard form. __ (−2 ...
- In Exercises 37–52, perform the indicated operations and write the result in standard form. __ (−3 ...
- In Exercises 37–52, perform the indicated operations and write the result in standard form. ___ −8 ...
- In Exercises 37–52, perform the indicated operations and write the result in standard form. ___ −5 −...
- In Exercises 37–52, perform the indicated operations and write the result in standard form. __ __ ...
- In Exercises 37–52, perform the indicated operations and write the result in standard form. __ ...
- In Exercises 53–58, perform the indicated operation(s) and write the result in standard form. (2 − 3i)(1 − i)...
- In Exercises 53–58, perform the indicated operation(s) and write the result in standard form. (2 + i)² − (3 −...
- In Exercises 53–58, perform the indicated operation(s) and write the result in standard form. ___ _...
- Evaluate x² − 2x + 2 for x = 1 + i.
- Evaluate x²+19 / 2−x for x = 3i.