Edexcel AEA 2009 June — Question 1

Exam BoardEdexcel
ModuleAEA (Advanced Extension Award)
Year2009
SessionJune
TopicCurve Sketching
TypePolynomial intersection with algebra

  1. (a) On the same diagram, sketch
$$y = ( x + 1 ) ( 2 - x ) \quad \text { and } \quad y = x ^ { 2 } - 2 | x |$$ Mark clearly the coordinates of the points where these curves cross the coordinate axes.
(b) Find the \(x\)-coordinates of the points of intersection of these two curves.