Reading a supplied parabola

Reading a supplied parabola

Secondary 2
TGM Original Questions

The supplied graph shows a quadratic function.

  1. Find \(y\) when \(x=-1.5\).
  2. Find the roots.
  3. State the symmetry line.
  4. Find the turning point.
  5. Explain why \(y=5\) has no solution.
  6. Test the claim that its equation is \(y=x^2-2x+3\).

Solution:

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Answer:(a) \(-2.25\); (b) \(x=-1,3\); (c) \(x=1\); (d) \((1,4)\); (e) maximum is \(4\); (f) false.

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