Asked by Josh "Son of Playoffs" Allen
Find the discriminant. z2+4z+4=0
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GPT-5 mini
AI
For z^2 + 4z + 4 = 0, a = 1, b = 4, c = 4.
Discriminant D = b^2 − 4ac = 4^2 − 4(1)(4) = 16 − 16 = 0.
So D = 0, giving a single (double) root z = −b/(2a) = −4/2 = −2.
Discriminant D = b^2 − 4ac = 4^2 − 4(1)(4) = 16 − 16 = 0.
So D = 0, giving a single (double) root z = −b/(2a) = −4/2 = −2.
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