Answer: \(\Delta = 53\)
For \(x^2 + 7x - 1 = 0\): \(a = 1\), \(b = 7\), \(c = -1\).
\[\Delta = b^2 - 4ac\]\[7^2 - 4(1)(-1) = 49 + 4 = 53\]1 answer
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· 24 Oct 2026
AI-verified · Oct 2026
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