Question

Знайдіть дискрімінант​

Answer 1

1. D = 2² - 4 × 1 × (-8) = 4 + 32 = 36

2. D = 1² - 4 × 1 × (-6) = 1 + 24 = 25

3. D = 9² - 4 × 1 × 5 = 81 - 20 = 61

4. D = 6² - 4 × 2 × 3 = 36 - 24 = 12