Posted by Cynthia on Thursday, December 13, 2012 at 2:19pm.
The numbers iã5 and iã5 are solutions to which equation?
a. x^2+ã5=0
b. x^2+5=0
d. x^25=0

Algebra 2  Cynthia, Thursday, December 13, 2012 at 2:22pm
thank you do you know how to do it though?

Algebra 2  Steve, Thursday, December 13, 2012 at 2:32pm
of course. I got the answer
you say √5i and √5i are the solutions, so
(x√5i)(x+√5i) = 0
x^2  (√5i)^2 = 0
x^2  5i^2 = 0
but i^2 = 1, so
x^2 + 5 = 0

Algebra 2  Cynthia, Thursday, December 13, 2012 at 2:35pm
omg thank you soooo much (:
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