Сколько существует целых значений , при которых
парабола у = x^2 + bx +4 касается оси абсцисс?
KateBytorova
1
27.03.2020 22:27
0
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2
2: 4 и -4
Объяснение:
Парабола касается вершиной оси абсцисс когда дискриминант равен 0