Question

Fill in the the blank to make the trinomial a perfect square trinomial.

16x^4-( )+1

Answer 1

any thoughts...?

Answer 2

if not

\[\sqrt{16x^4} = 4x^2\]

double it to get the middle term...

Answer 3

so it's 8x^2?

Answer 4

this is an equation reducible to a quadratic.

and that's what you need.... reading the question the negative in front would remain unchanged.

Answer 5

thank you