Answer
a) See graph
b) $x=0$ or $x=6$
Work Step by Step
We are given the function:
$f(x)=x^2-6x$
a) Graph the function.
From the graph the zeros are:
$x=0,x=6$
b) Determine the zeros algebraically:
$f(x)=0$
$x^2-6x=0$
$x(x-6)=0$
$x=0$ or $x-6=0$
$x=0$ or $x=6$
