waecmaths question: The graph of $a{{x}^{2}}+bx+c$ is shown in the diagram. Find the minimum of y Option A: –2.0 Option B: –2.1 Option C: –2.3 Option D: –2.5 waecmaths solution: -2.3 maths year: WAEC MAY/JUNE 2017maths topics: Quadratic equation