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Stich
Mathematics
14 April, 12:06
4) 4x² + 7x + 1 = - 2 Find discriminate
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Odie
14 April, 12:31
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Step-by-step explanation:
Given a quadratic equation in standard form : ax² + bx + c = 0 (a ≠ 0)
Then the discriminant is calculated as
Δ = b² - 4ac
Given
4x² + 7x + 1 = - 2 (add 2 to both sides)
4x² + 7x + 3 = 0 ← in standard form
with a = 4, b = 7 and c = 3, thus
b² - 4ac
= 7² - (4 * 4 * 3) = 49 - 48 = 1
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