document.write( "Question 578143: What is the vertex of y = |x + 1| ? \n" ); document.write( "

Algebra.Com's Answer #370541 by ad_alta(240) $\"\"$ $\"About$

You can put this solution on YOUR website!
The cusp occurs when we switch from y=x+1 to y=-(x+1), which happens when x=-1. \n" ); document.write( "

\n" );