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10 cards from this deck
Expression under square root in quadratic formula
Δ=b2−4ac\Delta = b^2 - 4acΔ=b2−4ac
Imaginary (non-real) roots
Real and equal roots
Real and unequal roots
When Δ\DeltaΔ is a perfect square
When Δ\DeltaΔ is not a perfect square
ax2+bx+c=0ax^2 + bx + c = 0ax2+bx+c=0
Types: real, rational, irrational, or imaginary
Parabola touches x-axis at exactly one point
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