Verified answer

Discriminant:

x² - 10x + 3 = 0

• a = 1, b = -10, c = 3
• b² - 4ac
• (-10)² - 4(1)(3)
• 100 - 4(3)
• 100 - 12
• 88

• 88

>>>>>>>>>>

4x² - x + 8 = 0

• a = 4, b = -1, c = 8
• b² - 4ac
• (-1)² - 4(4)(8)
• 1 - 4(32)
• 1 - 128
• -127

• -127

>>>>>>>>>>

x² = 0

• a = 1, b = 0, c = 0
• b² - 4ac
• (0)² - 4(1)(0)
• 0 - 4(0)
• 0 - 0
• 0

• 0