
функция у=ах2 и ее график
Interactive Video
•
Mathematics
•
7th Grade
•
Practice Problem
•
Easy
Svetlana Bochkovskaya
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова общая форма функции, обсуждаемой в видео?
y = x + a
y = ax
y = ax^2
y = a/x
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Чем функция y = ax^2 отличается от функции y = x^2?
Только знаком перед x^2
Только числовым коэффициентом перед x^2
Только степенью x
Только наличием константы
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Чему равно значение y для функции y = 3x^2, если x = -2?
-12
6
12
-6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Что происходит с графиком параболы y = ax^2, когда коэффициент 'a' увеличивается (например, с 1 до 3)?
Парабола становится шире
Парабола смещается вверх
Парабола становится уже
Парабола переворачивается
5.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Вам понравился видеоурок?
Да
Нет
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая общая точка у всех графиков функции вида y=ax^2?
(0;1)
(1;0)
(0;0)
(1;1)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В каком направлении направлены ветви параболы функции y=ax^2, если коэффициент a > 0?
Вверх
Вниз
Влево
Вправо
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