IA_GPS_36 - INTERMEDIATE ALGEBRA GPS # 36 7.6 C OM PLEX NUM...

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Unformatted text preview: INTERMEDIATE ALGEBRA GPS # 36 7.6 C OM PLEX NUM BERS NAME: Useful Guidelines: * Imaginary Unit: i = ! 1 and i 2 = !1 . Example: ! 5 = i 5 . * Standard Form: a + bi , where a and b are real numbers. * Real Part of a + bi : a * Imaginary Part of a + bi : b * Complex conjugate of a + bi : a ! bi 1. Use the imaginary unit to write the expression. a. ! 36 b. ! 81 c. ! 72 d. ! 20 2. Write each sum or difference in standard form. a. (2 + i ) + (9 ! 2i ) b. (4 ! 5i ) ! (1 ! i ) c. (!3 + 2i ) + (4 ! 4i ) d. (6 ! 5i ) ! (2 + 5i ) 3. Write each product in standard form. a. (3 ! i )(2 + 2i ) b. (7 + i )(5 ! 2i ) c. (!4 + 3i )(2 + 8i ) d. (5 ! 4i )(1 ! 3i ) 4. Write each quotient in standard form. 3 a. 4 ! 3i b. 2i 2 + 5i d. 1 + 2i 5i c. 2!i 3 + 4i R0907 a.s. http://faculty.valenciacc.edu/ashaw/ ...
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