SOLUTION: Determine the number of real zeroes and number of imaginary zeroes- f(x)=x power of 2+4x+7

Algebra ->  Functions -> SOLUTION: Determine the number of real zeroes and number of imaginary zeroes- f(x)=x power of 2+4x+7      Log On


   

Question 789344: Determine the number of real zeroes and number of imaginary zeroes-
f(x)=x power of 2+4x+7
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=x^2+4x+7
Use ^ (Shift 6) for exponents.
------
Discriminant = b^2 - 4ac
Disc = 16 - 56 = -40
Disc < 0 --> 2 complex zeroes.