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Leron14
@Leron14
August 2022
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Найди координаты вершины параболы y=-0,2x2−5x−18.
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lidochka085
y=-0,2x
²
−5x−18.
a=-0.2 b=-5 c=-18
вершина (m;n)
m=-b/2a= - 5/0.2*2=- 25/4
n=(4ac-b
²
)/4a=(4*0.2*18-25)/-4*0.2=53/4
(- 25/4; 53/4)
3 votes
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Answers & Comments
a=-0.2 b=-5 c=-18
вершина (m;n)
m=-b/2a= - 5/0.2*2=- 25/4
n=(4ac-b²)/4a=(4*0.2*18-25)/-4*0.2=53/4
(- 25/4; 53/4)