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19. (5 + 1.2i) + (-6 +0.8i) 21. 13+2i-4-8i 23. 4.5i - 4.5+ 3.5i + 2.5

19. (5 + 1.2i) + (-6 +0.8i) 21. 13+2i-4-8i 23. 4.5i - 4.5+ 3.5i + 2.5

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Please help 19,21,23

rlandcanvas.instructure.com th N N + G Add or subtract. Write the answer in the form a+bi. SEE EXAMPLE 2 18. (3-2i) - (-9 + i) 20. (2i) – (2i – 11) 22.3_i_2ţi 32. 6 + 12/ 3i 21.13 + 2i-4-8i 19. (5 + 1.2i) + (-6+0.8i) Write each product in the form a + bi. SEE EXAMPLE 3 24. (11i)(3i) 25. (3i)(5 - 4i) 26. (5-2i)(5 + 2i) 27. (8 + 3i)(8 + 3i) 28. 3i(3 + 6i) Write each quotient in the form a + bi. SEE EXAMPLE 4 30.11²2₁ 23. 4.5i - 4.5+ 3.5i + 2.5 29. (-2i+7)(7 + 2i) 5 6+2i 31. 6 + 2i 4-4i 1+ 3i Ć 33.4 Factor the sums of two squares. SEE EXAMPLE 5 34. 4x² + 49 35. x² + 1 36.36 + 100a2 38.6² +25 C 37. 18y² + 8 39. x² + y² Solve each equation. SEE EXAMPLE 6 G M
Transcribed Image Text:rlandcanvas.instructure.com th N N + G Add or subtract. Write the answer in the form a+bi. SEE EXAMPLE 2 18. (3-2i) - (-9 + i) 20. (2i) – (2i – 11) 22.3_i_2ţi 32. 6 + 12/ 3i 21.13 + 2i-4-8i 19. (5 + 1.2i) + (-6+0.8i) Write each product in the form a + bi. SEE EXAMPLE 3 24. (11i)(3i) 25. (3i)(5 - 4i) 26. (5-2i)(5 + 2i) 27. (8 + 3i)(8 + 3i) 28. 3i(3 + 6i) Write each quotient in the form a + bi. SEE EXAMPLE 4 30.11²2₁ 23. 4.5i - 4.5+ 3.5i + 2.5 29. (-2i+7)(7 + 2i) 5 6+2i 31. 6 + 2i 4-4i 1+ 3i Ć 33.4 Factor the sums of two squares. SEE EXAMPLE 5 34. 4x² + 49 35. x² + 1 36.36 + 100a2 38.6² +25 C 37. 18y² + 8 39. x² + y² Solve each equation. SEE EXAMPLE 6 G M
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