Квадратичная функция
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Марина Кислова
FREE Resource
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Что является графиком квадратичной функции?
Парабола
Гипербола
Прямая
Окружность
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Если квадратичная функция не имеет корней, то....
D<0
D>0
График функции выше/ниже оси ОХ
График функции не пересекает ось ОХ
Answer explanation
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Найдите нули функции y=x2-5x+4
1 и -5
-1 и -4
1 и 4
1 и 5
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Какие координаты вершины параболы y=3x2-6x-4
(1;7)
(2;-4)
(1;-7)
(-1;5)
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Найдите на оси Оx точку, через которую проходит ось симметрии параболы y=x2-10x-5
5
-5
-10
1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите наибольшее значение функции y=-3x2-6x-7
-16
7
-4
6
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