??? - 2016 Q4
4.
By sketching the graphs of y = |2x+1| and y = -x on the same axes,
show that the equation |2x+1| = -x has two roots. Find these roots. [4]
By sketching the graphs of y = |2x+1| and y = -x on the same axes,
show that the equation |2x+1| = -x has two roots. Find these roots. [4]