husseina
husseina
03-04-2017
Mathematics
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find the vertex of yesterday problem 2x^2-8x+11
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jdoe0001
jdoe0001
03-04-2017
[tex]\bf \textit{vertex of a parabola}\\ \quad \\ \begin{array}{lcclll} 2x^2&-8x&+11\\ \uparrow &\uparrow &\uparrow \\ a&b&c \end{array} \qquad \left(-\cfrac{{{ b}}}{2{{ a}}}\quad ,\quad {{ c}}-\cfrac{{{ b}}^2}{4{{ a}}}\right)[/tex]
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