Graphs of Quadratic Functions
Graphs of Quadratic Functions
Secondary 3
\(y=a{{x}^{2}}+bx+c\)
\(a>0\)
\(y=a{{x}^{2}}+bx+c\)
\(a<0\)
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Answer:For \(y=ax^2+bx+c\): \(y\)-intercept \((0,c)\), real roots at the \(x\)-intercepts, symmetry line \(x=-\frac{b}{2a}\); \(a>0\) gives a minimum and \(a<0\) gives a maximum.
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