how to make a parabola in vertex form

Sketch the blueprint of (y = x^2 – 2x – 3), labelling the credibility of circle and the axis point. The accessory of (x^2) is positive, so the blueprint will be a absolute U-shaped curve. Factorising (y = x^2 – 2x – 3) gives (y = (x 1)(x – 3)) and so the blueprint will … Read more