Answered

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1) x2 + 5x + 4 = 0
a =
b=
C =
vb2 - 4ac =
-

1 X2 5x 4 0 A B C Vb2 4ac class=

Sagot :

Answer:

9

Step-by-step explanation:

given a quadratic equation in standard form

ax² + bx + c = 0 ( a ≠ 0 ) then the discriminant is

Δ = b² - 4ac

x² + 5x + 4 = 0 ← is in standard form

with a = 1, b = 5 , c = 4 , then

b² - 4ac = 5² - (4 × 1 × 4) = 25 - 16 = 9

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