1) (3+2i) + (4−5i) = ? a) 1+3i b) 7−3i c) 1−3i d) 7+3i 2) (−6+i) + (2+7i) = ? a) −8+6i b) −4−8i c) −4+8i d) 4+8i 3) (5−3i) + (−2−4i) = ? a) 3−7i b) −3−7i c) 3+7i d) 7−i 4) (8+0i) + (−3+9i) = ? a) 5−9i b) −5+9i c) 11+9i d) 5+9i 5) (−1−2i) + (−4+6i) = ? a) 3+4i b) −5−8i c) −5+4i d) 5−4i 6) (2+3i)(4−i) = ? a) 11−10i b) 5+10i c) 5−10i d) 11+10i 7) (−3+2i)(5+4i) = ? a) −23−2i b) 7−2i c) −23+2i d) −7+2i 8) (1−6i)(2+3i) = ? a) −16−9i b) 20−9i c) 20+9i d) −16+9i 9) (−2−i)(−7+3i) = ? a) 11+i b) 17−i c) 17+i d) 11−i 10) (4+5i)(4−5i) = ? a) −41 b) 41i c) 0 d) 41

Complex Numbers: Rectangular Form (Add & Multiply)

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