Solve / Simplify
sqrt (-1) =
i
(2 + 3i) + (4 + 7i)
6 + 10i
(3 + 2i)(5 - i)
17+7i
(13)/(5-i)
2.5+.5i
A complex number has two parts name each
a real number and an imaginary number
sqrt (-36)=
6i and -6i
(5 + 6i) + (4 - 2i)
9 + 4i
(6 + 2i)(6 - 2i)
40
(5+3i)/(2-2i)
.5+2i
identify the real number part of the complex number 6 + 7i
6
x^2+4=0
2i and -2i
(6 + 5i) - (3 + 2i)
3 + 3i
(2 + 3i)(4 + 7i)
-13 + 26i
1/(2+i)
.4-.2i
identify the imaginary number part of the complex number 6 + 7i
7i
x^2 + 12 = 0
2 i sqrt(3) and -2 i sqrt(3)
(2 -7i) - (1 - 4i)
1 - 3i
Final Jeopardy
(2+6i)+(2-4i)+(2-5i)=
6-3i
(-6)/i
6i
Daily Double
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