Question

can you determine the zeros of F(x)=x^2 +64 by using a graph?
explain why or why not
please help me out

Answer 1

yes, the zeros are where the curve crosses the x - axis

Answer 2

and this one clearly doesn't. but you don't need a graph for that
for any x
\[x^2\geq0\] so
\[x^2+64\geq64\] and so it is never 0

Answer 3

thanks guys

Answer 4

if you meant
\[x^2-64\] then the zeros are -8 and 8 by inspection

Answer 5

no just x^x+64

Answer 6

i mean x^2