Reading a supplied parabola

Reading a supplied parabola

Secondary 2
12 marks
TGM Original Questions

The supplied graph shows a quadratic function.

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

Solution:

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Answer:(a) \(-2.3\) (b) \(x=-1,3\) (c) \(x=1\) (d) \((1,4)\) (e) maximum is \(4\) (f) false.

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