Quadratic graph lines are U- or Ո-shaped, which is called a parabola ... A row is used for each term in the equation to work out the coordinates. To draw a quadratic graph from an equation ...

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The coordinates of the turning point and the equation ... so the graph will be a positive U-shaped curve. Writing \(y = x^2 – 6x + 4 \) in completed square form gives \(y = (x – 3)^2 ...