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12 cards from this deck
Find solutions to any quadratic equation
ax2+bx+c=0ax^2 + bx + c = 0ax2+bx+c=0
x=−b±b2−4ac2ax = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}x=2a−b±b2−4ac
Coefficient of x2x^2x2
Coefficient of xxx
Constant term
Discriminant
How many real solutions the equation has
2a2a2a (not just aaa)
Two solutions: calculate with +++ and −-−
Won't factorise easily
No real solutions
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