The equation for the rollercoaster before is f(x)=-0.2x^2-2x
Find the vertex algebraically
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![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 21.04.2021 15:30, nockturnal1993
The equation for the rollercoaster before is f(x)=-0.2x^2-2x
Find the vertex algebraically
Hint: x=-b/2a
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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