Question

The number of distinct zeroes of the polynomial $f\left(x\right)=x^2-8x+16$ is

Answer 1

For finding zeroes of polynomial
$f\left(x\right)=0\Rightarrow x^2-8x+16=0\Rightarrow (x-4{)}^2=0\Rightarrow x=4,4$
$\therefore$ The number of distinct zeroes of the polynomial is $1$