Functions and Graphs
Functions and Graphs
Secondary 3
4 marks
A parabola has equation \(y = 2x^2 - 8x\). Factorise and use your result to sketch it, labelling the roots and turning point.[4]
Solution:
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Answer:\(y=x(x-8)\); roots \((0,0)\), \((8,0)\); turning point \((4,-16)\).
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