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10 cards from this deck
Relationships between polynomial coefficients and roots
α+β=−ba\alpha + \beta = -\frac{b}{a}α+β=−ab
αβ=ca\alpha\beta = \frac{c}{a}αβ=ac
α+β+γ=−ba\alpha + \beta + \gamma = -\frac{b}{a}α+β+γ=−ab
αβγ=−da\alpha\beta\gamma = -\frac{d}{a}αβγ=−ad
ca\frac{c}{a}ac
(α+β)2−2αβ(\alpha + \beta)^2 - 2\alpha\beta(α+β)2−2αβ
x=y−cmx = \frac{y - c}{m}x=my−c
x=1yx = \frac{1}{y}x=y1
Alternating: negative, positive, negative, ...
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