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A parabola cuts the y axis, when x = 0: y = (0) 2 + 2 (0) + 3 y = 3 Therefore the y-intercept is (0, 3) Therefore the graph looks like: ...
Revise how to identify the y-intercept, turning point and axis of symmetry of a quadratic function. BBC Bitesize Scotland revision for SQA National 5 Maths.
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