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Sketching a Quadratic Graph in Factorised Form with Non-Standard Coefficients

Sketching a Quadratic Graph in Factorised Form with Non-Standard Coefficients

Secondary 3
  1. Sketch the graph of \(y=(3-2x)(1+2x)\).
    Indicate clearly the values where the graph crosses the \(x\)- and \(y\)-axes.
  2. Write down the equation of the line of symmetry of the curve.

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Answer:(i) x-intercepts (-1/2,0),(3/2,0); y-intercept (0,3); vertex (1/2,4); (ii) x = 1/2.

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