Higher November 2018 Paper 3 Q28

AQACurrent spec1 markDrawing & Using Graphs

28 Here is a sketch of a quadratic curve.

The turning point is \((3, {-2})\)

Not drawn accurately

Sketch of a U-shaped quadratic curve crossing the positive y-axis and the x-axis twice, with its turning point at (3, −2)

Circle the correct statement about the gradient of the curve for \(\quad x < 3\) [1 mark]

  • gradient is positive
  • gradient is negative
  • gradient is zero
  • gradient could be any value