Question

Graph the equation y=|x-8|

Answer 1

Let's have a look at the graph of y = x - 8 first...

Answer 2

But your function is y = |x - 8|
It's in absolute value, and thus cannot have negative values (values below the x axis)
So, what to do, you reflect everything below the x-axis with respect to the x-axis, in effect, bringing everything below, above

(the black part is the answer)

Answer 3

Thanks so much :D