Solutions

Solutions to Try Its

\sqrt{-24}=0+2i\sqrt{6}

\left(3 - 4i\right)-\left(2+5i\right)=1 - 9i

-8 - 24i

18+i

102 - 29i

-\frac{3}{17}+\frac{5i}{17}

1. Add the real parts together and the imaginary parts together. 3. i times i equals –1, which is not imaginary. (answers vary) 5.

-8+2i

14+7i

-\frac{23}{29}+\frac{15}{29}i

11. 2 real and 0 nonreal 13. Graph of the plotted point, 1-2i.

15.

17.

8-i

19.

-11+4i

21.

2 - 5i

23.

6+15i

25.

-16+32i

27.

-4 - 7i

29. 25 31.

2-\frac{2}{3}i

33.

4 - 6i

35.

\frac{2}{5}+\frac{11}{5}i

37. 15i 39.

1+i\sqrt{3}

41. 1 43. –1 45. 128i 47.

{\left(\frac{\sqrt{3}}{2}+\frac{1}{2}i\right)}^{6}=-1

49. 3i 51. 0 53. 5 – 5i 55. –2i 57.

\frac{9}{2}-\frac{9}{2}i