Mathematics: Find vertex for f(x) = -x*2-2x-6. show work and sensable answer .

Find vertex for f(x) = -x*2-2x-6. show work and sensable

Ответ:

aashna66

09.03.2022

$\bf \textit{vertex of a vertical parabola, using coefficients} \\\\ f(x)=\stackrel{\stackrel{a}{\downarrow }}{-1}x^2\stackrel{\stackrel{b}{\downarrow }}{-2}x\stackrel{\stackrel{c}{\downarrow }}{-6} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right) \\\\\\ \left( -\cfrac{-2}{2(-1)}~~,~~-6-\cfrac{(-2)^2}{4(-1)} \right)\implies \left( \cfrac{2}{-2}~,~-6+\cfrac{4}{4} \right) \\\\\\ (-1~,~-6+1)\implies (-1~,~-5)$

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Ответ:

martinezzz2294

09.03.2023

Mathematics

Step-by-step explanation:

5x+13x+8=58

18x=58-8

18x=50

9x=25

x=25÷9

x=2.8

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Find vertex for f(x) = -x*2-2x-6. show work and sensable answer .

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