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tolkushkin53
@tolkushkin53
July 2022
1
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Найдите координаты вершины параболы и определите направление ветви
1)y=-x^2-12x+1
2)y=x^2-10x+15
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kers56
1) x=-b÷2a=12÷(-2)=-6 y=37
(-6; 37) a<0 ветви вниз
2) x=10÷2=5 y=-10
(5;-10) a>0 ветви вверх
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Answers & Comments
(-6; 37) a<0 ветви вниз
2) x=10÷2=5 y=-10
(5;-10) a>0 ветви вверх