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10 cards from this deck
y=ax2+bx+cy = ax^2 + bx + cy=ax2+bx+c
Parabola
Opens upwards (U shape)
Opens downwards (upside-down U)
x=−b2ax = -\frac{b}{2a}x=−2ab
(0,c)(0, c)(0,c)
x=−b±b2−4ac2ax = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}x=2a−b±b2−4ac
Two distinct real roots
One real root (repeated)
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