Question

Can you determine the zeros of F(x)=x^2 +64 by using a graph?

Answer 1

No you can't because there wasn't any zeros in this function.

Answer 2

The solution to the problem is as follows:


y = x^2 + 64 

f(x) = 0 = x^2 + 64 

x^2 = -64 

x = √-64 

so.. 

x = 8i ; x = -8i 

Don't forget the negative root.


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