 Complex number homework Help at TutorEye

## Complex Number Sample Questions

Question 1: Simplify using the imaginary unit  Answer: Explanation: Apply the imaginary number rule.

Question 2: Simplify using the imaginary unit  Answer: Explanation: Apply the imaginary number rule.

Question 3: Simplify using the imaginary unit  Answer: Explanation: Apply the imaginary number rule.

Question 4: Identify the real and imaginary part of Answer: Real part , imaginary part Explanation: Compare the equation with Question 5: Multiply: Answer: Explanation: Distribute 4 inside the parenthesis.

Question 6: Find the value of Explanation: Plug the value of Question 7: Combine: Answer: Explanation: Combine the imaginary part.

Question 8: Multiply: Answer: Explanation: Use FOIL to distribute.

Question 9: Plot on the complex plane. Explanation:  We know complex plane is plotted as .

Question 10: Plot as a complex vector. Explanation:  Plot as , and connect the point with origin by a directed line segment.