Question

Please Help asap !! :) I hve 4 questions, here is the first.

find a quadratic equation with roots -1+4i and -1-4i
can you show me in steps please!?? :)

Answer 1

@Hero @satellite73 @austinL @javo22 @danna87 @FutureMathProfessor @charlotte123 @AngelWilliams16 @graysondeblock @futureCollegeStudent @tvartheman @Kfins99 @petiteme @marylou004

Answer 2

@hartnn ??

Answer 3

when 'a' is a root, x-a is a factor

so when -1+4i is a root, (x+1-4i) will be a factor
so when -1-4i is a root, (x+1+4i) will be a factor

so your quadratic equation will be
(x+1-4i) (x+1+4i) =0

you just need to bring this in the form of ax^2+bx+c =0
by foiling

Answer 4

thank you! but i already did it !! :)