Answer: \(\Delta = -15\)
For \(2y^2 - y + 2 = 0\):
\[\Delta = b^2 - 4ac\]\[(-1)^2 - 4(2)(2) = 1 - 16 = -15\]1 answer
Doubtly AI
· 24 Oct 2026
AI-verified · Oct 2026
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