SOLUTION: y=-2(x-(3+i))(x-(3-i)) a. What are the zeros of the quadratic function? b. Write the quadratic function in standard form.

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Question 1060935: y=-2(x-(3+i))(x-(3-i))
a. What are the zeros of the quadratic function?
b. Write the quadratic function in standard form.

Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39616)   (Show Source): You can put this solution on YOUR website!
(a) You already have the factorization, so this part of the question is already shown.

(b) First try simplifying, ....





-----standard form


Answer by ikleyn(52776)   (Show Source): You can put this solution on YOUR website!
.
(b) 

   y = -2(x-3-i)(x-3+i) =


     = (-2)((x-3)-i)((x-3)+i) = 


     =  = 

     =  = 

     = 

          -----standard form

What "josgarithmetic" produced is a vertex form.


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