
функции второй степени
Authored by Алла Арнаут
Mathematics
10th Grade
Used 41+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
На каком рисунке изображен график квадратичной функции?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Найдите значение С по графику функции изображенному, на рисунке
-3
1
2
3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
На рисунках изображены графики функций вида y=ax²+bx+c.Установите соответствие между графиком на рисунке Б и знаками коэффициентов а и с.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Определите координаты вершины параболы у= х2- 3.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Определите координаты вершины параболы у=-х2+ 4х
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Определите, ветви какой параболы направлены вверх:
y=3-2x-x²
y=2x²-x+5
y=-x²+x+8
y= x-x²+5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Квадратичная функция задана графически .
Что можно сказать о коэффициенте а и дискриминанте D соответствующего квадратного трехчлена?
D=0, a>0
D>0, a>0
D<0, a>0
D<0, a<0
D=0, a<0
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