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18/09/2026, 19:16 Free Printable Complex Numbers WAYGROUND Lista de exercícios Nome formerly Quizizz Complex Numbers Turma Total de perguntas: 20 Data Tempo da folha de exercícios: 40min 1. Simplify: a) 75-24i b) 63 24i 12i² c) 51 - 24i d) 58 + 60i 2. What does = ? a) -1 b) c) 1 d) 3. Simplify √-25 a) -5i b) 5 c) 5i d) -5 4. Simplify: √-108 a) 3iV6 b) c) d) 5. Simplify a) -5i+10 b) 5i c) 9i+10 d) 5i+10 https://wayground.com/en/print/5d691f2f18f4a0001c4899d6/64525f00439d78b83495e313 1/518/09/2026, 19:16 Free Printable Complex Numbers 6. Simplify 3i - (4 + 7i) a) -4 + 10i b) 21 - 12i c) 4 - 10i d) -4 - 4i 7. Find the sum. (5-2i) + (-7+8i) a) -2+6i b) 12+6i c) -35-16i² d) -35 -16i 8. Multiply (2i)(3i) a) 5i b) -5 c) 6i d) -6 9. Multiply (3i)(-2+4i) a) -6+12i b) -12-6i c) -2+7i d) 12+6i 10. Multiply: 3i)(7 + 2i) a) 22 - 13i b) B. 28 - 19i c) C. 34 - 13i d) D. 29i 11. a) i b) -i c) 1 d) -1 https://wayground.com/en/print/5d691f2f18f4a0001c4899d6/64525f00439d78b83495e313 2/518/09/2026, 19:16 Free Printable Complex Numbers 12. a) 1 b) i c) -1 d) -i 13. a) i b) -i c) 1 d) -1 14. How do you write a complex number? a) a-bi b) a+bi c) ai+b d) ai-b 15. What is the simplified form of (8 -3i)²? a) 73 b) 16 6i c) 55 + 48i d) 55 48i 16. What is the simplified form of (-6i)(3i) a) -18 b) -18i c) 18 d) -18i² https://wayground.com/en/print/5d691f2f18f4a0001c4899d6/64525f00439d78b83495e313 3/518/09/2026, 19:16 Free Printable Complex Numbers 17. 5 4 2 up 7 -2 2 3 4 5 6 4 What complex number is represented by the graph? a) -3-i b) -3+i c) 1+3i d) 1-3i 18. 2 -2 0 2 4 What complex number is shown on the graph? a) (-2,-3) b) -2-3i c) 2-3i d) 3i-2 https://wayground.com/en/print/5d691f2f18f4a0001c4899d6/64525f00439d78b83495e313 4/518/09/2026, 19:16 Free Printable Complex Numbers 19. -2 0 2 -2 -4 Match the expression to the graph shown in the complex plane. a) -2i-3i b) (0,-5) c) -6i d) -2(3i) 20. 2 -4 -2 0 2 -2 Match the expression to the graph shown in the complex plane. a) (4,0) b) 4i c) -4(i²) d) 4i https://wayground.com/en/print/5d691f2f18f4a0001c4899d6/64525f00439d78b83495e313 5/5