Sketch `y=(x+1)(x+2)(x-1)` on the graph below, clearly showing all intercepts . (3 marks)
--- 0 WORK AREA LINES (style=lined) ---
Show Answers Only
Show Worked Solution
`xtext{-axis intercepts at}\ \ x=-2, -1 and 1`
`ytext{-intercept when}\ \ x=0\ \ =>\ \ y=1xx2xx-1=-2`