Mathematics, 30.03.2020 22:57, alexus6339

The graph of the quadratic function intersects the y-axis at point B (0, 4), the x-axis at point E (4,0) and has its vertex at point C (1,4.5).

Part A: Use your knowledge of the given points and the axis of symmetry to calculate the coordinates of point D, the reflection of point B.
[A1=1 mark]

(2,4)

Part B: Use your knowledge of the given points and the axis of symmetry to calculate the coordinates of point A.
[A1=1 mark]

(-2,0)

Part C: Use the given coordinate pairs to calculate the values of “a” and “b”.

Answers: 3

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