Question 110342

Find the {{{x-intercepts}}} 
{{{y=x^2-4x+4}}}

{{{x_ intercept}}} is found by setting {{{y}}} to {{{0}}}: 
so, {{{ax+by=c}}} becomes {{{ax=c}}} that means that {{{x = c/a}}} 

 then {{{x_ intercept}}} is 

{{{x = 4/1}}} 

{{{x = 4}}}