Posted by Jennifer on Wednesday, December 3, 2008 at 11:03am.
Solve
x^2 + 3x + 3 = 0
1 + sq.rt 14 (1)(3)
1 + sq.rt 112 =
1 + i sq.rt 11/2
Is this correct?

Intermediate Algebra  Reiny, Wednesday, December 3, 2008 at 11:57am
no, I don't think you are using the quadratic formula correctly.
Do you have
for ax^2 + bx + c=0
x = (b ±√(b^2  4ac)/(2a) ??
then for yours
x = (3 ±√(94(1)(3))/2
= (3 ±√3)/2 which is a complex number 
Intermediate Algebra  Jennifer, Wednesday, December 3, 2008 at 12:54pm
yes i have that formula
i thought i was told to just put in the numbers for the variables 
Intermediate Algebra  Reiny, Wednesday, December 3, 2008 at 12:58pm
but you did not put them in the right way.

Intermediate Algebra  Jennifer, Wednesday, December 3, 2008 at 1:03pm
ok thanks for your help