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Equation Solving b2-4ac (Discriminant) Solving (X1 & X2) (Roots) Nature of the Roots 1. x² + 6x + 9 = 0
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Sagot :

Jayveerickbaganggo

Answer:

Discriminant formula: b²- 4ac

Step-by-step explanation:

1. a=1, b=6, c=9

discriminant: b²- 4ac

= (6)² - 4(1)(9)

= 36 - 36

D=0

nature of roots: real, rational and equal

2. a=9, b=-3, c=2

discriminant: b² - 4ac

= (-3)² - 4(9)(2)

= 9 -72

D=-63

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