Complex Numbers — Quiz 2

Practice Complex Numbers — Quiz 2 on The School of Mathematics (Complex Numbers) with 5 scored questions at Fundamental level. This set covers problems such as: “Simplify: (5 + 4i) + (3 - 6i)”; “Simplify: \frac{12 + 2i}{4i}”; “What is i^3 + i^5 + i^7 + i^9 ?”. Work carefully, check explanations for misses, then retake to track improvement before test day.

Questions
5
Level
Fundamental
Category
Complex Numbers

Questions in this quiz (5)

  1. Simplify: $$(5 + 4i) + (3 - 6i)$$

    • $$-8 - 2i$$
    • $$6$$
    • $$6 - 2i$$
    • $$8 - 2i$$
  2. Simplify: $$\frac{12 + 2i}{4i}$$

    • $$\frac{1}{2} - 3i$$
    • $$2 - 3i$$
    • $$2 - 2i$$
    • $$\frac{1}{2} - 2i$$
  3. Multiply: $$(4i)(7 - 2i)$$

    • $$4 - 28i$$
    • $$8 + 28i$$
    • $$4 + 28i$$
    • $$-1 + 4i$$
  4. Simplify: $$\frac{6}{i}$$

    • $$-6i$$
    • $$6$$
    • $$6i$$
    • $$-6$$
  5. What is $$i^3 + i^5 + i^7 + i^9$$?

    • $$i$$
    • $$1$$
    • $$0$$
    • $$-i$$
1
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Frequently asked questions

How many questions are in Complex Numbers — Quiz 2?

This practice set includes 5 questions. Finish in one sitting when possible, then review incorrect answers before retaking.

What topic does Complex Numbers — Quiz 2 cover?

Complex Numbers — Quiz 2 focuses on Complex Numbers. Questions follow exam-style wording and difficulty so you can practice the skills tested on major Complex Numbers assessments. These are practice materials, not official exam questions.

How is Complex Numbers — Quiz 2 scored?

Your score is the percentage of correct answers. A typical passing score is 100%. After you finish, review each miss with the available explanations on The School of Mathematics.

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