Question 219461
The x-intercept occurs when y = 0, so set y = 0 and solve for x.
{{{y = x+4}}} Set y = 0
{{{0 = x+4}}} Subtract 4 from both sides.
{{{-4 = x}}}
The x-intercept is at (-4,0)
{{{graph(400,400,-5,5,-5,5,x+4)}}}