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

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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