Теорема Виета
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
Standards-aligned
Оксана Єрьоменко
Used 81+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сумма корней приведённого квадратного уравнения равна …
второму коэффициенту, взятому с противоположным знаком
второму коэффициенту
свободному члену
свободному члену, взятому с противоположным знаком
сумме всех коэффициентов уравнения
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сумма корней приведённого квадратного уравнения равна - 9, а произведение - 10, тогда уравнение имеет вид:
Х2 – 9х +10 = 0
Х2 + 9х - 10 = 0
Х2 – 10х + 9 = 0
Х2 + 10х + 9 = 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Если уравнение x +px+q=0 имеет корни Х1 и Х2 , то …
Х1 + Х2 = - p, Х1 Х2 = q
Х1 + Х2 = p, Х1 Х2 = q
Х1 + Х2 = p, Х1 Х2 = - q
Х1 + Х2 = - p, Х1 Х2 = -q
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Если известно, что сумма корней приведённого квадратного уравнения равна 2, а произведение равно - 3, то это уравнение имеет вид …
Х2 + 2x - 3 = 0
Х 2 - 2x - 3 = 0
Х2 + 2x + 3 = 0
Х2 - 3x + 2 = 0
Х2 + 3x + 2 = 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сумма корней квадратного уравнения х2 - 3x - 2 = 0 , у которого D>0 , равна …
2
-3
-2
3
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
корни уравнения
-5
-1
5
1
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Для решения квадратного уравнения по теореме Виета, необходимо чтобы уравнение было...
приведённым
квадратным
приводным
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